{"id":599,"date":"2018-08-03T13:31:17","date_gmt":"2018-08-03T12:31:17","guid":{"rendered":"https:\/\/www.cwmidwal.cymru\/?page_id=599"},"modified":"2025-11-07T09:25:22","modified_gmt":"2025-11-07T09:25:22","slug":"cwm-idwal-nature-reserve","status":"publish","type":"page","link":"https:\/\/www.cwmidwal.cymru\/en\/cwm-idwal-nature-reserve\/","title":{"rendered":"Cwm Idwal Nature Reserve"},"content":{"rendered":"<div class=\"breadcrumbs align  wp-block-bcn-breadcrumb-trail has-text-color has-background\" vocab=\"https:\/\/schema.org\/\" typeof=\"BreadcrumbList\">\n\t<span><\/span>\n\t<span property=\"itemListElement\" typeof=\"ListItem\"><a property=\"item\" typeof=\"WebPage\" title=\"Go to Cwm Idwal National Nature Reserve.\" href=\"https:\/\/www.cwmidwal.cymru\/en\/\" class=\"home\" aria-current=\"page\"><span property=\"name\">Cwm Idwal National Nature Reserve<\/span><\/a><meta property=\"position\" content=\"1\"><\/span><\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>In 1954, Cwm Idwal was designated as Wales&#8217; first national Nature Reserve, and today it is a very popular attraction for a wide range of visitors. The primary reason for designating Cwm Idwal as a National Nature Reserve was the unique geology found here. The second reason connects rare plants to the special geology.<\/p>\n\n\n\n<p>The nature reserve is managed through a partnership between National Trust, Eryri National Park and Natural Resources Wales. Cwm Idwal National Nature Reserve extends over 398 hectares of mountains, lakes, streams, peatland and heathland. It includes the cwms of Cwm Idwal, Cwm Cneifion and Cwm Clud. The summits of Y Garn and Y Glyder Fawr, some of Wales&#8217; highest mountains, are also part of the nature reserve.<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-198429be wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/Map-F-1-1024x720.jpg ,https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/Map-F-1.jpg 780w, https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/Map-F-1.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/Map-F-1-1024x720.jpg\" alt=\"\" class=\"uag-image-2564\" width=\"1024\" height=\"720\" title=\"Map F\" loading=\"lazy\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-uagb-separator uagb-block-1a06cb35\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-c92214c4\"><h2 class=\"uagb-heading-text\">Where next&#8230;<\/h2><\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n\t\t\t<div class=\"wp-block-uagb-post-grid uagb-post-grid  uagb-post__image-position-top uagb-post__image-enabled uagb-block-5133b842     uagb-post__items uagb-post__columns-2 is-grid uagb-post__columns-tablet-2 uagb-post__columns-mobile-1 uagb-post__equal-height uagb-equal_height_inline-read-more-buttons\" data-total=\"2\" style=\"\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/www.cwmidwal.cymru\/en\/myths-ledgends\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Myths &amp; Ledgends<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class='uagb-post__text uagb-post__excerpt'>\n\t\t\t\t\t<p>The Tragedy of Prince Idwal Today, Cwm Idwal lies quiet and beautiful, its stillness broken&#8230;\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" style=\"\" href=\"https:\/\/www.cwmidwal.cymru\/en\/myths-ledgends\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Read More<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.cwmidwal.cymru\/en\/geography\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\" class='uagb-image-ratio-2-3'><img loading=\"lazy\" decoding=\"async\" width=\"980\" height=\"735\" src=\"https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/DSCF6591-1024x768.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/DSCF6591-1024x768.jpg 1024w, https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/DSCF6591-300x225.jpg 300w, https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/DSCF6591-768x576.jpg 768w, https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/DSCF6591-1536x1152.jpg 1536w, https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/DSCF6591-940x705.jpg 940w, https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/DSCF6591-500x375.jpg 500w, https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/DSCF6591-640x480.jpg 640w, https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/DSCF6591.jpg 1600w\" sizes=\"auto, (max-width: 980px) 100vw, 980px\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/www.cwmidwal.cymru\/en\/geography\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Geography<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class='uagb-post__text uagb-post__excerpt'>\n\t\t\t\t\t<p>During the Ice Age, a thick layer of ice extended over a wide area of&#8230;\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" style=\"\" href=\"https:\/\/www.cwmidwal.cymru\/en\/geography\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Read More<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.cwmidwal.cymru\/en\/hindreulio\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\" class='uagb-image-ratio-2-3'><img loading=\"lazy\" decoding=\"async\" width=\"980\" height=\"735\" src=\"https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/12b-Castell-y-Gwynt-1024x768.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/12b-Castell-y-Gwynt-1024x768.jpg 1024w, https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/12b-Castell-y-Gwynt-300x225.jpg 300w, https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/12b-Castell-y-Gwynt-768x576.jpg 768w, https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/12b-Castell-y-Gwynt-1536x1152.jpg 1536w, https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/12b-Castell-y-Gwynt-940x705.jpg 940w, https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/12b-Castell-y-Gwynt-500x375.jpg 500w, https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/12b-Castell-y-Gwynt-640x480.jpg 640w, https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/12b-Castell-y-Gwynt.jpg 1600w\" sizes=\"auto, (max-width: 980px) 100vw, 980px\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/www.cwmidwal.cymru\/en\/hindreulio\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Weathering<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class='uagb-post__text uagb-post__excerpt'>\n\t\t\t\t\t<p>The rocks are exposed to the elements in several places, especially on the highest slopes&#8230;\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" style=\"\" href=\"https:\/\/www.cwmidwal.cymru\/en\/hindreulio\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Read More<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.cwmidwal.cymru\/en\/cwm-idwal-wildlife\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\" class='uagb-image-ratio-2-3'><img loading=\"lazy\" decoding=\"async\" width=\"980\" height=\"735\" src=\"https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/Madfall-Ddwr-Gyffredin-1024x768.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/Madfall-Ddwr-Gyffredin-1024x768.jpg 1024w, https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/Madfall-Ddwr-Gyffredin-300x225.jpg 300w, https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/Madfall-Ddwr-Gyffredin-768x576.jpg 768w, https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/Madfall-Ddwr-Gyffredin-1536x1152.jpg 1536w, https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/Madfall-Ddwr-Gyffredin-940x705.jpg 940w, https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/Madfall-Ddwr-Gyffredin-500x375.jpg 500w, https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/Madfall-Ddwr-Gyffredin-640x480.jpg 640w, https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2025\/04\/Madfall-Ddwr-Gyffredin.jpg 1600w\" sizes=\"auto, (max-width: 980px) 100vw, 980px\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/www.cwmidwal.cymru\/en\/cwm-idwal-wildlife\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Cwm Idwal Wildlife<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class='uagb-post__text uagb-post__excerpt'>\n\t\t\t\t\t<p>Cwm Idwal National Nature Reserve holds a variety of habitats which sustain a host of&#8230;\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" style=\"\" href=\"https:\/\/www.cwmidwal.cymru\/en\/cwm-idwal-wildlife\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Read More<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>In 1954, Cwm Idwal was designated as Wales&#8217; first national Nature Reserve, and today it is a very popular attraction&#8230;<\/p>\n","protected":false},"author":3,"featured_media":769,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","footnotes":""},"categories":[89],"tags":[],"class_list":["post-599","page","type-page","status-publish","has-post-thumbnail","hentry","category-aboutcwmidwal"],"uagb_featured_image_src":{"full":["https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2022\/08\/DSCF4220-2.jpg",1600,1200,false],"thumbnail":["https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2022\/08\/DSCF4220-2-150x150.jpg",150,150,true],"medium":["https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2022\/08\/DSCF4220-2-300x225.jpg",300,225,true],"medium_large":["https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2022\/08\/DSCF4220-2-768x576.jpg",768,576,true],"large":["https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2022\/08\/DSCF4220-2-1024x768.jpg",980,735,true],"1536x1536":["https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2022\/08\/DSCF4220-2-1536x1152.jpg",1536,1152,true],"2048x2048":["https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2022\/08\/DSCF4220-2.jpg",1600,1200,false],"post-thumbnail":["https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2022\/08\/DSCF4220-2-940x590.jpg",940,590,true],"post-thumbnail-not-crop":["https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2022\/08\/DSCF4220-2-940x705.jpg",940,705,true],"medium-thumbnail":["https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2022\/08\/DSCF4220-2-500x330.jpg",500,330,true],"medium-thumbnail-not-crop":["https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2022\/08\/DSCF4220-2-500x375.jpg",500,375,true],"wdb-medium-square":["https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2022\/08\/DSCF4220-2-500x500.jpg",500,500,true],"bdpp-medium":["https:\/\/www.cwmidwal.cymru\/wp-content\/uploads\/2022\/08\/DSCF4220-2.jpg",640,480,false]},"uagb_author_info":{"display_name":"d13creative","author_link":"https:\/\/www.cwmidwal.cymru\/en\/author\/d13creative\/"},"uagb_comment_info":0,"uagb_excerpt":"In 1954, Cwm Idwal was designated as Wales&#8217; first national Nature Reserve, and today it is a very popular attraction...","_links":{"self":[{"href":"https:\/\/www.cwmidwal.cymru\/en\/wp-json\/wp\/v2\/pages\/599","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cwmidwal.cymru\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.cwmidwal.cymru\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.cwmidwal.cymru\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cwmidwal.cymru\/en\/wp-json\/wp\/v2\/comments?post=599"}],"version-history":[{"count":9,"href":"https:\/\/www.cwmidwal.cymru\/en\/wp-json\/wp\/v2\/pages\/599\/revisions"}],"predecessor-version":[{"id":3020,"href":"https:\/\/www.cwmidwal.cymru\/en\/wp-json\/wp\/v2\/pages\/599\/revisions\/3020"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cwmidwal.cymru\/en\/wp-json\/wp\/v2\/media\/769"}],"wp:attachment":[{"href":"https:\/\/www.cwmidwal.cymru\/en\/wp-json\/wp\/v2\/media?parent=599"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cwmidwal.cymru\/en\/wp-json\/wp\/v2\/categories?post=599"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cwmidwal.cymru\/en\/wp-json\/wp\/v2\/tags?post=599"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}