Copy and paste this HTML into your website code:
<iframe src="https://hiiker.app/trails/germany/rhein-sieg-kreis/mulhensbrucke-via-wanderweg-and-beethoven-wanderweg/iframe" title="Mülhensbrücke via Wanderweg and Beethoven Wanderweg | Hiiker" referrerpolicy="origin-when-cross-origin" style="width: 100%; aspect-ratio: 4/3; max-width:800px;"></iframe>