Lost Lake Trail Town of Vail Hiking Information for Lost Lake Trail Length: 3.73 miles (one way) Difficulty: Easy From the trailhead, the trail follows a ridge dividing the Piney and Red Sandstone drainages while traveling though lodgepole pine and aspen groves. This trail offers excellent views of the surrounding mountains. Where the trail forks to the left to Piney Lake, go straight. The trail gradually climbs 600 feet to the trail’s high point then drops slightly to Lost Lake. Most people turn around here, but you can continue 0.75 mile on the trail to reach the east trailhead. This portion of the trail passes through forest and meadows and crosses Red Sandstone Creek. Crowds: Moderate. Access: From I-70, take Exit 176 for Vail. Turn to the north and proceed on North Frontage Road to Red Sandstone Road #700. West Trailhead: continue up Road #700 for 6 miles to the trailhead parking on the right. Trail Adopted By: GOAT Training North Trail (Trapper's Run) (CLOSED April 15 – June 20) Load next 6 media item(s) (9 left)Loading...