Lost Lake Trail
4.8FreeOpen now · open 24 hoursScenic backcountry hiking trail leading to a tranquil alpine lake

Lost Lake Trail in Rocky Mountain National Park takes hikers through scenic pine forests, tumbling streams, and peaceful wilderness. Accessed via the Dunraven and North Fork trails in the park's quieter northern region, it provides a tranquil escape from busier trailheads. The rewarding destination features a serene high-country lake nestled beneath rugged mountain peaks.
Expert notes
- Bring plenty of water and snacks for the hike.
- Wear sturdy hiking boots for better traction.
- Check the weather forecast before heading out.
- Stay on marked trails to protect the natural environment.
- Carry a map or use a GPS device as cell service may be limited.
- Bring a camera to capture the stunning scenery.
- Plan for changing weather conditions, especially in the mountains.
- Respect wildlife and keep a safe distance.
- Leave no trace; pack out all trash.
- Consider hiking with a buddy for safety.
Features
- Alpine Flora
- Fishing Access
- Guided Tours
- Parking Area
- Picnic Areas
- Restrooms
- Scenic Views
- Trailhead Information
- Trail Maps
- Wildlife Viewing
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