Roosevelt National Forest
The Canyon Lakes Ranger District of the Roosevelt National Forest in north central Colorado includes the Pawnee National Grasslands, Pingree Park, the Red Feather Lakes area and Big Thompson and Estes Park. The Poudre Wilderness Volunteers post an informative website describing these areas. Phone for the Canyon Lakes Ranger District is 970-295-6700.
Pawnee National Grasslands I have a separate post about this area. Look for it above this post.
Pingree Park contains Colorado State University’s Mountain Campus. Map
Comanche Lake 1.1 miles to the lake, 1.6 miles if you go around the lake. Here is a detailed description of the trail.
Red Feather Lakes
Lady Moon Trail is 2.6 miles between the two trailheads, but you may just want to hike a mile or mile and a half from the Elkhorn Creek Trailhead. Half a mile from the Lady Moon trailhead and about 1.5 miles from the Elkhorn Creek trailhead the trail takes an elevation gain which may be more strenuous than you want. Here is a description.
Mt. Margaret Trail 3.8 miles downhill! to the summit You may want to just hike the first 1.5 miles to avoid an uphill return. Most of this trail is on an old roadbed . Forest Service description. Location Map Described on AllTrails and on HikingProject.
You can gain access to the easy-sounding Columbine Trail Complex from the Mt. Margaret trail, but that is probably a longer hike than you want to take. These trails are also mostly old roads.
Here is a map of the Red Feather Lakes area.
Lily Mountain
Lily Mountain Trail is pretty level for the first mile before climbing over 800′ to the summit in just one more mile. Description Road map showing the trailhead.