Rhowch dro ar y canllaw.<\/a><\/p>","protected":false},"excerpt":{"rendered":"Dyma ganllaw hwylus ac hwyl ar sut i greu mapiau o Gymru (neu unrhyw le) gyda nodweddion wedi[…]<\/p>\n","protected":false},"author":6,"featured_media":4794,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"activitypub_content_warning":"","activitypub_content_visibility":"","activitypub_max_image_attachments":3,"activitypub_interaction_policy_quote":"anyone","activitypub_status":"","footnotes":""},"categories":[13,1029],"tags":[1034,1062],"class_list":["post-4793","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cymru","category-gwaith-work","tag-openstreetmap","tag-overpass"],"yoast_head":"\n
Sut i greu mapiau o Gymru: cestyll, afonydd, blychau post, ffyrdd seiclo a mwy - Carl Morris<\/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:\/\/morris.cymru\/cy\/2021\/01\/creu-mapiau\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sut i greu mapiau o Gymru: cestyll, afonydd, blychau post, ffyrdd seiclo a mwy - Carl Morris\" \/>\n<meta property=\"og:description\" content=\"Dyma ganllaw hwylus ac hwyl ar sut i greu mapiau o Gymru (neu unrhyw le) gyda nodweddion wedi[...]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/morris.cymru\/cy\/2021\/01\/creu-mapiau\/\" \/>\n<meta property=\"og:site_name\" content=\"Carl Morris\" \/>\n<meta property=\"article:published_time\" content=\"2021-01-14T12:51:22+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-07-09T20:43:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/morris.cymru\/wp-content\/uploads\/2021\/01\/llan2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Carl Morris (Blog)\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@carlmorris\" \/>\n<meta name=\"twitter:site\" content=\"@carlmorris\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Carl Morris (Blog)\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 munud\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/morris.cymru\\\/2021\\\/01\\\/creu-mapiau\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/morris.cymru\\\/2021\\\/01\\\/creu-mapiau\\\/\"},\"author\":{\"name\":\"Carl Morris (Blog)\",\"@id\":\"https:\\\/\\\/morris.cymru\\\/#\\\/schema\\\/person\\\/1f3a7906db7bfa84deba8b79cccb8789\"},\"headline\":\"Sut i greu mapiau o Gymru: cestyll, afonydd, blychau post, ffyrdd seiclo a mwy\",\"datePublished\":\"2021-01-14T12:51:22+00:00\",\"dateModified\":\"2023-07-09T20:43:13+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/morris.cymru\\\/2021\\\/01\\\/creu-mapiau\\\/\"},\"wordCount\":279,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/morris.cymru\\\/#\\\/schema\\\/person\\\/29cda852db33372204a32408a7fdf3b4\"},\"image\":{\"@id\":\"https:\\\/\\\/morris.cymru\\\/2021\\\/01\\\/creu-mapiau\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/morris.cymru\\\/wp-content\\\/uploads\\\/2021\\\/01\\\/llan2.jpg\",\"keywords\":[\"OpenStreetMap\",\"Overpass\"],\"articleSection\":[\"cymru\",\"Gwaith\"],\"inLanguage\":\"cy\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/morris.cymru\\\/2021\\\/01\\\/creu-mapiau\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/morris.cymru\\\/cy\\\/2021\\\/01\\\/creu-mapiau\\\/\",\"url\":\"https:\\\/\\\/morris.cymru\\\/cy\\\/2021\\\/01\\\/creu-mapiau\\\/\",\"name\":\"Sut i greu mapiau o Gymru: cestyll, afonydd, blychau post, ffyrdd seiclo a mwy - 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