{"version":"1.0","provider_name":"Fietsersbond Routeplanner","provider_url":"https:\/\/routeplanner.fietsersbond.nl\/de","author_name":"td","author_url":"https:\/\/routeplanner.fietsersbond.nl\/de\/author\/td","title":"Mergelland Fietsroute West - Fietsersbond Routeplanner","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"Txqj22cCNT\"><a href=\"https:\/\/routeplanner.fietsersbond.nl\/routes\/mergelland-west\">Mergelland Fietsroute West<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/routeplanner.fietsersbond.nl\/routes\/mergelland-west\/embed#?secret=Txqj22cCNT\" width=\"600\" height=\"338\" title=\"&#8222;Mergelland Fietsroute West&#8220; &#8211; Fietsersbond Routeplanner\" data-secret=\"Txqj22cCNT\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/routeplanner.fietsersbond.nl\/wp\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/routeplanner.fietsersbond.nl\/app\/uploads\/2025\/10\/mergelland-west.png","thumbnail_width":1109,"thumbnail_height":753,"description":"Soort route: E-bike, racefiets, recreatief Richting: Met de klok mee In Limburg is veel mergel aanwezig, een gesteente dat wordt gebruikt voor gebouwen en beelden. De Mergellandroute laat de mooiste plekjes zien. De westelijke lus gaat door het Heuvelland tussen Valkenburg en Eijsden. Hier kom je langs meerdere mergelgrotten en rotswoningen. In dit gebied wemelt [&hellip;]"}