{"id":8868,"date":"2017-01-31T16:41:16","date_gmt":"2017-01-31T16:41:16","guid":{"rendered":"https:\/\/afonyddcymru.org\/ymddiriedolaeth-afonydd-gogledd-cymru\/"},"modified":"2025-07-18T11:46:26","modified_gmt":"2025-07-18T10:46:26","slug":"ymddiriedolaeth-afonydd-gogledd-cymru","status":"publish","type":"post","link":"https:\/\/afonyddcymru.org\/cy\/ymddiriedolaeth-afonydd-gogledd-cymru\/","title":{"rendered":"Ymddiriedolaeth Afonydd Gogledd Cymru"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; next_background_color=&#8221;#ffffff&#8221; admin_label=&#8221;Header&#8221; module_class=&#8221;gradient-overlay&#8221; _builder_version=&#8221;4.27.3&#8243; use_background_color_gradient=&#8221;on&#8221; background_color_gradient_direction=&#8221;90deg&#8221; background_color_gradient_stops=&#8221;rgba(0,0,0,0.74) 0%|rgba(0,0,0,0.08) 100%&#8221; background_color_gradient_start=&#8221;rgba(0,0,0,0.74)&#8221; background_color_gradient_end=&#8221;rgba(0,0,0,0.08)&#8221; background_image=&#8221;https:\/\/afonyddcymru.org\/wp-content\/uploads\/2022\/04\/20200929_114814ed.jpg&#8221; parallax=&#8221;on&#8221; custom_margin=&#8221;||||false|false&#8221; custom_padding=&#8221;200px||150px||false|false&#8221; bottom_divider_style=&#8221;wave2&#8243; hover_enabled=&#8221;0&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221; background_color_gradient_start__hover=&#8221;#2b87da&#8221; background_color_gradient_start__hover_enabled=&#8221;#2b87da&#8221; background_color_gradient_end__hover=&#8221;#29c4a9&#8243; background_color_gradient_end__hover_enabled=&#8221;#29c4a9&#8243; use_background_color_gradient__hover=&#8221;off&#8221; use_background_color_gradient__hover_enabled=&#8221;off&#8221; background_color_gradient_type__hover=&#8221;linear&#8221; background_color_gradient_type__hover_enabled=&#8221;linear&#8221; background_color_gradient_direction__hover=&#8221;180deg&#8221; background_color_gradient_direction__hover_enabled=&#8221;180deg&#8221; background_color_gradient_direction_radial__hover=&#8221;center&#8221; background_color_gradient_direction_radial__hover_enabled=&#8221;center&#8221; background_color_gradient_start_position__hover=&#8221;0%&#8221; background_color_gradient_start_position__hover_enabled=&#8221;0%&#8221; background_color_gradient_end_position__hover=&#8221;100%&#8221; background_color_gradient_end_position__hover_enabled=&#8221;100%&#8221; background_color_gradient_overlays_image__hover=&#8221;off&#8221; background_color_gradient_overlays_image__hover_enabled=&#8221;off&#8221; background_color_gradient_stops__hover=&#8221;#2b87da 0%|#29c4a9 100%&#8221; sticky_enabled=&#8221;0&#8243;][et_pb_row _builder_version=&#8221;4.27.3&#8243; use_custom_width=&#8221;on&#8221; width_unit=&#8221;off&#8221; custom_width_px__hover=&#8221;1080px&#8221; custom_width_px__hover_enabled=&#8221;1080px&#8221; custom_width_percent__hover=&#8221;80%&#8221; custom_width_percent__hover_enabled=&#8221;80%&#8221; global_colors_info=&#8221;{}&#8221; gutter_width__hover=&#8221;3&#8243; gutter_width__hover_enabled=&#8221;3&#8243; parallax_1__hover=&#8221;off&#8221; parallax_1__hover_enabled=&#8221;off&#8221; parallax_2__hover=&#8221;off&#8221; parallax_2__hover_enabled=&#8221;off&#8221; parallax_3__hover=&#8221;off&#8221; parallax_3__hover_enabled=&#8221;off&#8221; parallax_4__hover=&#8221;off&#8221; parallax_4__hover_enabled=&#8221;off&#8221; parallax_5__hover=&#8221;off&#8221; parallax_5__hover_enabled=&#8221;off&#8221; parallax_6__hover=&#8221;off&#8221; parallax_6__hover_enabled=&#8221;off&#8221; parallax_method_1__hover=&#8221;on&#8221; parallax_method_1__hover_enabled=&#8221;on&#8221; parallax_method_2__hover=&#8221;on&#8221; parallax_method_2__hover_enabled=&#8221;on&#8221; parallax_method_3__hover=&#8221;on&#8221; parallax_method_3__hover_enabled=&#8221;on&#8221; parallax_method_4__hover=&#8221;on&#8221; parallax_method_4__hover_enabled=&#8221;on&#8221; parallax_method_5__hover=&#8221;on&#8221; parallax_method_5__hover_enabled=&#8221;on&#8221; parallax_method_6__hover=&#8221;on&#8221; parallax_method_6__hover_enabled=&#8221;on&#8221; use_background_color_gradient__hover=&#8221;off&#8221; use_background_color_gradient__hover_enabled=&#8221;off&#8221; background_color_gradient_start__hover=&#8221;#2b87da&#8221; background_color_gradient_start__hover_enabled=&#8221;#2b87da&#8221; background_color_gradient_end__hover=&#8221;#29c4a9&#8243; background_color_gradient_end__hover_enabled=&#8221;#29c4a9&#8243; background_color_gradient_type__hover=&#8221;linear&#8221; background_color_gradient_type__hover_enabled=&#8221;linear&#8221; background_color_gradient_direction__hover=&#8221;180deg&#8221; background_color_gradient_direction__hover_enabled=&#8221;180deg&#8221; background_color_gradient_direction_radial__hover=&#8221;center&#8221; background_color_gradient_direction_radial__hover_enabled=&#8221;center&#8221; background_color_gradient_start_position__hover=&#8221;0%&#8221; background_color_gradient_start_position__hover_enabled=&#8221;0%&#8221; background_color_gradient_end_position__hover=&#8221;100%&#8221; background_color_gradient_end_position__hover_enabled=&#8221;100%&#8221; background_color_gradient_overlays_image__hover=&#8221;off&#8221; background_color_gradient_overlays_image__hover_enabled=&#8221;off&#8221; parallax__hover=&#8221;off&#8221; parallax__hover_enabled=&#8221;off&#8221; parallax_method__hover=&#8221;on&#8221; parallax_method__hover_enabled=&#8221;on&#8221; background_size__hover=&#8221;cover&#8221; background_size__hover_enabled=&#8221;cover&#8221; background_position__hover=&#8221;center&#8221; background_position__hover_enabled=&#8221;center&#8221; background_repeat__hover=&#8221;no-repeat&#8221; background_repeat__hover_enabled=&#8221;no-repeat&#8221; background_blend__hover=&#8221;normal&#8221; background_blend__hover_enabled=&#8221;normal&#8221; allow_player_pause__hover=&#8221;off&#8221; allow_player_pause__hover_enabled=&#8221;off&#8221; background_video_pause_outside_viewport__hover=&#8221;on&#8221; background_video_pause_outside_viewport__hover_enabled=&#8221;on&#8221; make_fullwidth__hover=&#8221;off&#8221; make_fullwidth__hover_enabled=&#8221;off&#8221; use_custom_width__hover=&#8221;off&#8221; use_custom_width__hover_enabled=&#8221;off&#8221; width_unit__hover=&#8221;on&#8221; width_unit__hover_enabled=&#8221;on&#8221; use_custom_gutter__hover=&#8221;off&#8221; use_custom_gutter__hover_enabled=&#8221;off&#8221; make_equal__hover=&#8221;off&#8221; make_equal__hover_enabled=&#8221;off&#8221; border_radii__hover=&#8221;on||||&#8221; border_radii__hover_enabled=&#8221;on||||&#8221; box_shadow_style__hover=&#8221;none&#8221; box_shadow_style__hover_enabled=&#8221;none&#8221; box_shadow_color__hover=&#8221;rgba(0,0,0,0.3)&#8221; box_shadow_color__hover_enabled=&#8221;rgba(0,0,0,0.3)&#8221; filter_hue_rotate__hover=&#8221;0deg&#8221; filter_hue_rotate__hover_enabled=&#8221;0deg&#8221; filter_saturate__hover=&#8221;100%&#8221; filter_saturate__hover_enabled=&#8221;100%&#8221; filter_brightness__hover=&#8221;100%&#8221; filter_brightness__hover_enabled=&#8221;100%&#8221; filter_contrast__hover=&#8221;100%&#8221; filter_contrast__hover_enabled=&#8221;100%&#8221; filter_invert__hover=&#8221;0%&#8221; filter_invert__hover_enabled=&#8221;0%&#8221; filter_sepia__hover=&#8221;0%&#8221; filter_sepia__hover_enabled=&#8221;0%&#8221; filter_opacity__hover=&#8221;100%&#8221; filter_opacity__hover_enabled=&#8221;100%&#8221; filter_blur__hover=&#8221;0px&#8221; filter_blur__hover_enabled=&#8221;0px&#8221; mix_blend_mode__hover=&#8221;normal&#8221; mix_blend_mode__hover_enabled=&#8221;normal&#8221; animation_style__hover=&#8221;none&#8221; animation_style__hover_enabled=&#8221;none&#8221; animation_repeat__hover=&#8221;once&#8221; animation_repeat__hover_enabled=&#8221;once&#8221; animation_direction__hover=&#8221;center&#8221; animation_direction__hover_enabled=&#8221;center&#8221; animation_duration__hover=&#8221;1000ms&#8221; animation_duration__hover_enabled=&#8221;1000ms&#8221; animation_delay__hover=&#8221;0ms&#8221; animation_delay__hover_enabled=&#8221;0ms&#8221; animation_intensity_slide__hover=&#8221;50%&#8221; animation_intensity_slide__hover_enabled=&#8221;50%&#8221; animation_intensity_zoom__hover=&#8221;50%&#8221; animation_intensity_zoom__hover_enabled=&#8221;50%&#8221; animation_intensity_flip__hover=&#8221;50%&#8221; animation_intensity_flip__hover_enabled=&#8221;50%&#8221; animation_intensity_fold__hover=&#8221;50%&#8221; animation_intensity_fold__hover_enabled=&#8221;50%&#8221; animation_intensity_roll__hover=&#8221;50%&#8221; animation_intensity_roll__hover_enabled=&#8221;50%&#8221; animation_starting_opacity__hover=&#8221;0%&#8221; animation_starting_opacity__hover_enabled=&#8221;0%&#8221; animation_speed_curve__hover=&#8221;ease-in-out&#8221; animation_speed_curve__hover_enabled=&#8221;ease-in-out&#8221; hover_transition_duration__hover=&#8221;300ms&#8221; hover_transition_duration__hover_enabled=&#8221;300ms&#8221; hover_transition_delay__hover=&#8221;0ms&#8221; hover_transition_delay__hover_enabled=&#8221;0ms&#8221; hover_transition_speed_curve__hover=&#8221;ease&#8221; hover_transition_speed_curve__hover_enabled=&#8221;ease&#8221; width__hover=&#8221;80%&#8221; width__hover_enabled=&#8221;80%&#8221; max_width__hover=&#8221;80%&#8221; max_width__hover_enabled=&#8221;80%&#8221; background_color_gradient_stops__hover=&#8221;#2b87da 0%|#29c4a9 100%&#8221; sticky_enabled=&#8221;0&#8243;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_post_title meta=&#8221;off&#8221; featured_image=&#8221;off&#8221; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; title_text_color=&#8221;#FFFFFF&#8221; title_font_size=&#8221;45px&#8221; title_line_height=&#8221;1.3em&#8221; meta_text_color=&#8221;rgba(255,255,255,0.7)&#8221; custom_margin=&#8221;||||false|false&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_post_title][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;65px|||||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row column_structure=&#8221;1_2,1_2&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/afonyddcymru.org\/wp-content\/uploads\/2023\/04\/Rivers-Trust-Logo-Master-_Landscape_colour-01-scaled.jpg&#8221; title_text=&#8221;Rivers Trust Logo Master _Landscape_colour-01&#8243; url=&#8221;https:\/\/northwalesriverstrust.org\/&#8221; align=&#8221;center&#8221; force_fullwidth=&#8221;on&#8221; align_tablet=&#8221;center&#8221; align_phone=&#8221;&#8221; align_last_edited=&#8221;on|desktop&#8221; _builder_version=&#8221;4.16&#8243; use_border_color=&#8221;off&#8221; border_color=&#8221;#ffffff&#8221; border_style=&#8221;solid&#8221; animation=&#8221;off&#8221; sticky=&#8221;off&#8221; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p><code><\/code><\/p>\n<p>[\/et_pb_image][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.3&#8243; text_font=&#8221;||||||||&#8221; header_font=&#8221;||||||||&#8221; hover_enabled=&#8221;0&#8243; use_border_color=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p>Sefydlwyd <strong>Ymddiriedolaeth Afonydd Gogledd Cymru<\/strong> yn 2007 trwy uno Ymddiriedolaeth Cadwraeth Afonydd Clwyd ac Elwy a&#8217;r cyrff Cadwraeth sy&#8217;n cynrychioli Afon Conwy. Dyfarnwyd Statws Elusennol i&#8217;r Ymddiriedolaeth ym mis Ionawr 2009.<\/p>\n<p><\/p>\n<p>Amcanion yr Ymddiriedolaeth<\/p>\n<p><\/p>\n<ul>\n<li>Hyrwyddo ymwybyddiaeth o faterion amgylcheddol ac arferion gorau o ran rheoli afonydd.<\/li>\n<li>Hyrwyddo mwynhad hamdden ac adloniant o afonydd, llynnoedd a gwlyptiroedd.<\/li>\n<li>Ymgymryd ag ymchwil a gwaith ymarferol i gynnal, adfer a gwella cynefinoedd amgylcheddol o fewn dalgylchoedd Clwyd a Chonwy.<\/li>\n<\/ul>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sefydlwyd Ymddiriedolaeth Afonydd Gogledd Cymru yn 2007 trwy uno Ymddiriedolaeth Cadwraeth Afonydd Clwyd ac Elwy a&#8217;r cyrff Cadwraeth sy&#8217;n cynrychioli Afon Conwy&#8230;<\/p>\n","protected":false},"author":3,"featured_media":7867,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[59],"tags":[],"class_list":["post-8868","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ymddiriedolaeth-afonydd"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ymddiriedolaeth Afonydd Gogledd Cymru - Afonydd Cymru<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/afonyddcymru.org\/northwalesriverstrust\/\" \/>\n<meta property=\"og:locale\" content=\"cy_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ymddiriedolaeth Afonydd Gogledd Cymru - Afonydd Cymru\" \/>\n<meta property=\"og:description\" content=\"Sefydlwyd Ymddiriedolaeth Afonydd Gogledd Cymru yn 2007 trwy uno Ymddiriedolaeth Cadwraeth Afonydd Clwyd ac Elwy a&#039;r cyrff Cadwraeth sy&#039;n cynrychioli Afon Conwy...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/afonyddcymru.org\/northwalesriverstrust\/\" \/>\n<meta property=\"og:site_name\" content=\"Afonydd Cymru\" \/>\n<meta property=\"article:published_time\" content=\"2017-01-31T16:41:16+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-18T10:46:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/afonyddcymru.org\/wp-content\/uploads\/2017\/01\/logos_nwrt.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Seth Johnson-Marshall\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Seth Johnson-Marshall\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/afonyddcymru.org\\\/northwalesriverstrust\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/afonyddcymru.org\\\/northwalesriverstrust\\\/\"},\"author\":{\"name\":\"Seth Johnson-Marshall\",\"@id\":\"https:\\\/\\\/afonyddcymru.org\\\/#\\\/schema\\\/person\\\/672447dc825a9b56eaf0655012248c86\"},\"headline\":\"Ymddiriedolaeth Afonydd Gogledd Cymru\",\"datePublished\":\"2017-01-31T16:41:16+00:00\",\"dateModified\":\"2025-07-18T10:46:26+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/afonyddcymru.org\\\/northwalesriverstrust\\\/\"},\"wordCount\":1172,\"image\":{\"@id\":\"https:\\\/\\\/afonyddcymru.org\\\/northwalesriverstrust\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/afonyddcymru.org\\\/wp-content\\\/uploads\\\/2017\\\/01\\\/logos_nwrt.jpg\",\"articleSection\":[\"Ymddiriedolaeth Afonydd\"],\"inLanguage\":\"cy-GB\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/afonyddcymru.org\\\/northwalesriverstrust\\\/\",\"url\":\"https:\\\/\\\/afonyddcymru.org\\\/northwalesriverstrust\\\/\",\"name\":\"Ymddiriedolaeth Afonydd Gogledd Cymru - Afonydd Cymru\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/afonyddcymru.org\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/afonyddcymru.org\\\/northwalesriverstrust\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/afonyddcymru.org\\\/northwalesriverstrust\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/afonyddcymru.org\\\/wp-content\\\/uploads\\\/2017\\\/01\\\/logos_nwrt.jpg\",\"datePublished\":\"2017-01-31T16:41:16+00:00\",\"dateModified\":\"2025-07-18T10:46:26+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/afonyddcymru.org\\\/#\\\/schema\\\/person\\\/672447dc825a9b56eaf0655012248c86\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/afonyddcymru.org\\\/northwalesriverstrust\\\/#breadcrumb\"},\"inLanguage\":\"cy-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/afonyddcymru.org\\\/northwalesriverstrust\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"cy-GB\",\"@id\":\"https:\\\/\\\/afonyddcymru.org\\\/northwalesriverstrust\\\/#primaryimage\",\"url\":\"https:\\\/\\\/afonyddcymru.org\\\/wp-content\\\/uploads\\\/2017\\\/01\\\/logos_nwrt.jpg\",\"contentUrl\":\"https:\\\/\\\/afonyddcymru.org\\\/wp-content\\\/uploads\\\/2017\\\/01\\\/logos_nwrt.jpg\",\"width\":800,\"height\":600},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/afonyddcymru.org\\\/northwalesriverstrust\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/afonyddcymru.org\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Ymddiriedolaeth Afonydd Gogledd Cymru\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/afonyddcymru.org\\\/#website\",\"url\":\"https:\\\/\\\/afonyddcymru.org\\\/\",\"name\":\"Afonydd Cymru\",\"description\":\"Caring for Welsh Rivers\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/afonyddcymru.org\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"cy-GB\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/afonyddcymru.org\\\/#\\\/schema\\\/person\\\/672447dc825a9b56eaf0655012248c86\",\"name\":\"Seth Johnson-Marshall\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"cy-GB\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/ab96db04fe886625b70397fbc1562d1c1aca5b0d177b9870a3d972568e35cb8b?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/ab96db04fe886625b70397fbc1562d1c1aca5b0d177b9870a3d972568e35cb8b?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/ab96db04fe886625b70397fbc1562d1c1aca5b0d177b9870a3d972568e35cb8b?s=96&d=mm&r=g\",\"caption\":\"Seth Johnson-Marshall\"},\"url\":\"https:\\\/\\\/afonyddcymru.org\\\/cy\\\/author\\\/seth-johnson-marshall\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Ymddiriedolaeth Afonydd Gogledd Cymru - Afonydd Cymru","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/afonyddcymru.org\/northwalesriverstrust\/","og_locale":"cy_GB","og_type":"article","og_title":"Ymddiriedolaeth Afonydd Gogledd Cymru - Afonydd Cymru","og_description":"Sefydlwyd Ymddiriedolaeth Afonydd Gogledd Cymru yn 2007 trwy uno Ymddiriedolaeth Cadwraeth Afonydd Clwyd ac Elwy a'r cyrff Cadwraeth sy'n cynrychioli Afon Conwy...","og_url":"https:\/\/afonyddcymru.org\/northwalesriverstrust\/","og_site_name":"Afonydd Cymru","article_published_time":"2017-01-31T16:41:16+00:00","article_modified_time":"2025-07-18T10:46:26+00:00","og_image":[{"width":800,"height":600,"url":"https:\/\/afonyddcymru.org\/wp-content\/uploads\/2017\/01\/logos_nwrt.jpg","type":"image\/jpeg"}],"author":"Seth Johnson-Marshall","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Seth Johnson-Marshall","Est. reading time":"6 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/afonyddcymru.org\/northwalesriverstrust\/#article","isPartOf":{"@id":"https:\/\/afonyddcymru.org\/northwalesriverstrust\/"},"author":{"name":"Seth Johnson-Marshall","@id":"https:\/\/afonyddcymru.org\/#\/schema\/person\/672447dc825a9b56eaf0655012248c86"},"headline":"Ymddiriedolaeth Afonydd Gogledd Cymru","datePublished":"2017-01-31T16:41:16+00:00","dateModified":"2025-07-18T10:46:26+00:00","mainEntityOfPage":{"@id":"https:\/\/afonyddcymru.org\/northwalesriverstrust\/"},"wordCount":1172,"image":{"@id":"https:\/\/afonyddcymru.org\/northwalesriverstrust\/#primaryimage"},"thumbnailUrl":"https:\/\/afonyddcymru.org\/wp-content\/uploads\/2017\/01\/logos_nwrt.jpg","articleSection":["Ymddiriedolaeth Afonydd"],"inLanguage":"cy-GB"},{"@type":"WebPage","@id":"https:\/\/afonyddcymru.org\/northwalesriverstrust\/","url":"https:\/\/afonyddcymru.org\/northwalesriverstrust\/","name":"Ymddiriedolaeth Afonydd Gogledd Cymru - Afonydd Cymru","isPartOf":{"@id":"https:\/\/afonyddcymru.org\/#website"},"primaryImageOfPage":{"@id":"https:\/\/afonyddcymru.org\/northwalesriverstrust\/#primaryimage"},"image":{"@id":"https:\/\/afonyddcymru.org\/northwalesriverstrust\/#primaryimage"},"thumbnailUrl":"https:\/\/afonyddcymru.org\/wp-content\/uploads\/2017\/01\/logos_nwrt.jpg","datePublished":"2017-01-31T16:41:16+00:00","dateModified":"2025-07-18T10:46:26+00:00","author":{"@id":"https:\/\/afonyddcymru.org\/#\/schema\/person\/672447dc825a9b56eaf0655012248c86"},"breadcrumb":{"@id":"https:\/\/afonyddcymru.org\/northwalesriverstrust\/#breadcrumb"},"inLanguage":"cy-GB","potentialAction":[{"@type":"ReadAction","target":["https:\/\/afonyddcymru.org\/northwalesriverstrust\/"]}]},{"@type":"ImageObject","inLanguage":"cy-GB","@id":"https:\/\/afonyddcymru.org\/northwalesriverstrust\/#primaryimage","url":"https:\/\/afonyddcymru.org\/wp-content\/uploads\/2017\/01\/logos_nwrt.jpg","contentUrl":"https:\/\/afonyddcymru.org\/wp-content\/uploads\/2017\/01\/logos_nwrt.jpg","width":800,"height":600},{"@type":"BreadcrumbList","@id":"https:\/\/afonyddcymru.org\/northwalesriverstrust\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/afonyddcymru.org\/"},{"@type":"ListItem","position":2,"name":"Ymddiriedolaeth Afonydd Gogledd Cymru"}]},{"@type":"WebSite","@id":"https:\/\/afonyddcymru.org\/#website","url":"https:\/\/afonyddcymru.org\/","name":"Afonydd Cymru","description":"Caring for Welsh Rivers","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/afonyddcymru.org\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"cy-GB"},{"@type":"Person","@id":"https:\/\/afonyddcymru.org\/#\/schema\/person\/672447dc825a9b56eaf0655012248c86","name":"Seth Johnson-Marshall","image":{"@type":"ImageObject","inLanguage":"cy-GB","@id":"https:\/\/secure.gravatar.com\/avatar\/ab96db04fe886625b70397fbc1562d1c1aca5b0d177b9870a3d972568e35cb8b?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/ab96db04fe886625b70397fbc1562d1c1aca5b0d177b9870a3d972568e35cb8b?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/ab96db04fe886625b70397fbc1562d1c1aca5b0d177b9870a3d972568e35cb8b?s=96&d=mm&r=g","caption":"Seth Johnson-Marshall"},"url":"https:\/\/afonyddcymru.org\/cy\/author\/seth-johnson-marshall\/"}]}},"_links":{"self":[{"href":"https:\/\/afonyddcymru.org\/cy\/wp-json\/wp\/v2\/posts\/8868","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afonyddcymru.org\/cy\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afonyddcymru.org\/cy\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afonyddcymru.org\/cy\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/afonyddcymru.org\/cy\/wp-json\/wp\/v2\/comments?post=8868"}],"version-history":[{"count":2,"href":"https:\/\/afonyddcymru.org\/cy\/wp-json\/wp\/v2\/posts\/8868\/revisions"}],"predecessor-version":[{"id":8870,"href":"https:\/\/afonyddcymru.org\/cy\/wp-json\/wp\/v2\/posts\/8868\/revisions\/8870"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/afonyddcymru.org\/cy\/wp-json\/wp\/v2\/media\/7867"}],"wp:attachment":[{"href":"https:\/\/afonyddcymru.org\/cy\/wp-json\/wp\/v2\/media?parent=8868"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afonyddcymru.org\/cy\/wp-json\/wp\/v2\/categories?post=8868"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afonyddcymru.org\/cy\/wp-json\/wp\/v2\/tags?post=8868"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}