I believe this is the location of "Meadowlark Organics" / "Meadowlark Farm & Mill"

https://www.meadowlarkorganics.com/

Welche Funktion hat dieses große Gebäude?

Unable to answer "What’s the weight limit here?" for way/1050851172 via StreetComplete 42.0:

Keine Angaben an der Brücke

This place has an other name. Now is Calala Lodge. It has different owners.

the hostel is on the north-east side of the main road.

THIS POSITION IS NOT CORRECT.
THIS PLACE IS LOCATED BETWEEN EL FACON RESTAURANT AND CAFCA CAFE

Internet Adresse funktioniert leider nicht, gibt es eine andere?

there is a Mountain Bike trail network here that appears on Google Maps but is not updated in OSM - see https://www.mtbproject.com/directory/8024474/defeated-creek-park
https://www.trailforks.com/region/defeated-creek-park-15968/

Bear Waller Gap Hiking Trail