View of Horsetooth Reservoir from Arthur’s Rock Trail, Lory State Park, west of Fort Collins, Colorado
Location: Lory State Park, west of Fort Collins
Trail Length: 3.8 miles, out and back
Elevation Gain: About 1150 feet
Link: Arthur’s Rock Trail on AllTrails.com
Notable Features: Well-marked trail with moderate elevation gain through forest with great views of Horsetooth Reservoir and the surrounding area at the top of the trail.
Lake Gulch and Inner Canyon trails at Castlewood Canyon State Park near Franktown, Colorado – Instagram
Location: Castlewood Canyon State Park in Franktown, southeast of Denver
Trail Length: My route: 1.8 miles
Elevation Gain: About 200 feet
Link: Lake Gulch Trail on AllTrails.com and Inner Canyon Trail on AllTrails.com
Notable Features: Relatively easy trail through rock formations, some pine trees and a rocky stream.