Experience Chasm Lake on a Women-Only Guided Hike

A mountain lake surrounded by rocky cliffs and snow patches with a clear blue sky Longs Peak towering over and reflected in Chasm Lake on a women-only Chasm Lake guided hiking tour with Femme Trek in Rocky Mountain National Park.

Chasm Lake is one of Rocky Mountain National Park's most iconic alpine lake hikes. This challenging 9-mile trail climbs 2,600 feet through forest, past waterfalls, and above tree line to Chasm Lake at the base of Longs Peak. We'll hike at a steady, moderate pace with built in rest breaks to enjoy the scenery while safely adjusting for altitude, weather, and trail conditions. Your experienced female hiking guide takes care of the details so you can simply enjoy the adventure.

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Hikers walking along a rocky trail through a mountainous landscape with green shrubs and a towering rock formation in the background, on the Chasm Lake trail with Longs Peak and Mt Meeker in the background on a guided hiking tour with Femme Trek.

Trail Details

Season: July-October

Location: Longs Peak Trailhead, Rocky Mountain National Park

Intensity: Strenuous

Mileage: 9 miles

Elevation Gain: 2,600 feet

Elevation at the Trailhead: 9,500 feet

Elevation of Chasm Lake: 11,760 feet

Trail Time: 6-8 hours

Please note: For the safety of you, other participants, and your guide, trail time will not exceed 8 hours.

Highlights:

·       Chasm Lake

·       Longs Peak views

·       Cascading waterfalls

·       Ancient forest

·       Alpine tundra

·       Seasonal wildflowers

·       Wildlife viewing opportunities

·       Short, steep rock scramble

Reserve Your Spot

Why You'll Love Chasm Lake

Chasm Lake showcases many of the landscapes that make Rocky Mountain National Park so unique. You'll hike through ancient forest, pass cascading waterfalls, and climb above tree line before reaching Peacock Pool, where Longs Peak and Mount Meeker are in full view. A short, steep climb beyond Peacock Pool brings you to Chasm Lake at the base of Longs Peak. The challenging climb is rewarded with one of Rocky Mountain National Park's most iconic alpine lakes.

Things to Know

    • Women-only guided hiking tour in Rocky Mountain National Park

    • Steady, moderate pace with rest breaks built in

    • Small groups led by an experienced female hiking guide

    After booking, you'll receive a detailed welcome email with the meeting location in Estes Park, start time, packing list, weather recommendations, trail expectations, and everything you need to feel prepared for your adventure.

    • Timed-entry permit for Rocky Mountain National Park (when required)

    • Personalized pre-trip planning email so you know exactly what to expect

    • Experienced female hiking guide with local knowledge and wilderness safety training

    • Coffee, tea, or hot chocolate

    • Women ages 18+

    • Solo hikers

    • Small groups (up to 5)

  • You're not just booking a guided hike. You're joining a space where women belong. Unlike companies where women's hikes are just another offering, women aren't an afterthought at Femme Trek. They're the reason we exist. Led by an experienced female hiking guide, every hike is designed with women in mind.

Featured by Visit Estes Park

Visit Estes Park trusted Femme Trek to guide their team on a hike to Chasm Lake and later featured the experience. See why they described the experience as a safe and stress-free way to experience one of Rocky Mountain National Park's most iconic alpine hikes.

"Explore the Backcountry with Femme Trek in Estes Park."

Have a question? Visit our Frequently Asked Questions, or contact us by phone or email. We're happy to help!

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