Backcountry site 1 (HM1) is a tent-only campsite within Horsetooth Mountain Open Space's 2,711-acre backcountry area, featuring 29. 5 miles of hiking and biking trails with outstanding Front Range views.

The site allows pets, offers no hookups or restrooms, and requires visitors to pack out all waste or use a shovel to bury waste; drinking water is available at the trailhead, but campers must carry sufficient food and water.

NO FIRES are allowed, and an entrance permit is required year-round for this location situated 4 miles west of Fort Collins.