Copy and paste this HTML into your website code:
<iframe src="https://hiiker.app/trails/switzerland/region-engiadina-bassa-val-mustair/camino-mustair-geneva-via-martigny/iframe" title="Camino Müstair-Geneva via Martigny | Hiiker" referrerpolicy="origin-when-cross-origin" style="width: 100%; aspect-ratio: 4/3; max-width:800px;"></iframe>