Beaver Lake Trail is pet-friendly. This 6.3 mile heavily trafficked out and back trail leads through a forest full of aspen trees and leads to Beaver Lake. The trail is rated as moderate and approaches the Holy Cross Wilderness boundary at mile 2.7. From here, you are only 0.3 miles from Beaver Lake. There are creeks along the way to cool off in. Leashed dogs are welcome on the trail.