"Lily Lake offers hikers some of the best mountain views from an easy, roadside trail. The Diamond Face of Longs Peak towers to the south; the Twin Sisters, rocky escarpments skirted in scenic woodlands, lie to the east; and Lily Mountain, yet another spectacular stone-crowned peak, dominates the northern horizon. The broad, flat path begins by winding along the base of Lily Mountain, then meanders through meadow and open forest on the west shore of the lake, and finally passes through a wetlands area, populated by a variety of water fowl, on the southern shore. If you have the time, you can hike the nearby Lily Mountain trail, which lies outside the park proper.
To reach the trailhead, take US Highway 36 east about 4 miles to the intersection of US Highways 34, 36 and Colo. Hwy. 7 on the east side of downtown Estes Park. Take Highway 7 south 6.5 miles to a right turn into the Lily Lake parking area. The trail begins on the north side of the parking lot."