Thing to Do
Harlequin Lake Trail
Follow the gentle, uphill trail to a small lake.
Notes: Return the same way.
Entrance fees may apply, see Fees & Passes information.
Park at the third pullout 1-½ miles (2.4 km) west of Madison Junction on the West Entrance Road.
Spring, Summer, Fall
Time of Day
More on Day Hikes in Yellowstone
Yellowstone Backcountry Situation Report
Current conditions for Yellowstone National Park trails & campsites.
Safety in Yellowstone
Prepare yourself to safely enjoy wildlife, hydrothermal areas, and other features of Yellowstone National Park.
Read about this highly effective bear deterrent.
Yellowstone Day Hikes
Lace up your boots and explore some of the over 1,000 miles of trails in Yellowstone National Park.
Last updated: April 25, 2018