Harlequin Lake Trailhead
Brown bear stands in tall grasses near Harlequin Lake Trailhead, Yellowstone National Park, among sagebrush.
A lone bison plows through shallow, misty water amid grassy marshes at Yellowstone National Park.
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Harlequin Lake Trailhead

Trails★★★★☆
Last Updated: January 2026

Overview

About This Trail

Harlequin Lake Trailhead is a short, forested route to a quiet lake. It’s an out-and-back 1 mile with about 100 ft of elevation; plan 30 minutes to 1 hour. Expect shaded paths with boggy spots near the lake; mosquitoes can be bothersome in warm months. In bear country, carry bear spray and stay aware of your surroundings.

Highlights

Difficulty Level

Easy Stroll

Trail Highlights

A shallow lake framed by mountain backdrop; quick route that offers a peaceful escape from busier park areas.

Insider Tips

• Arrive by 8 AM to lock a parking spot. • If full, consider returning later or visiting West Yellowstone area for a break. • Bring bear spray, bug spray, and a map; cell service is unreliable. • This short route is perfect for an after-dinner leg-stretch.

Best Season to Hike

Late spring through early fall (June-September).

Hiking Tips

  • Tighten your boots.
  • Carry 2 liters of water per person.
  • Bear spray readily accessible and used if needed.
  • Bug spray in warmer months; wear long sleeves in marshy zones.

Family Info

Family-friendly; easy, short hike suitable for young children with supervision in bear country.

ℹ️ Data Sources

Information is compiled from official sources, verified traveler reviews, and editorial research. Learn how YourNPGuide works →