West of Horsetooth Reservoir lies the 2,711-acre Horsetooth Mountain Open Space. You'll find more than ... could include the namesake Horsetooth Rock as well as Horsetooth Falls, depending on ...

Horsetooth Rock. Horesetooth Reservoir welcomes visitors year-round. Though you can stop by the reservoir any time, the information center – on the South Bay – is open from 9 a.m. to 4 p.m ...