Parks #2 in Aspen, Colorado

Crater Lake

4.8 · 353 reviews
A pristine and rugged alpine wilderness.
Crater Lake, Aspen, CO 81611
Interesting facts
1

The lake serves as a primary reflective basin for the 14,000-foot peaks known as the Maroon Bells.

2

The basin surrounding the lake was formed by the erosion of sedimentary mudstone, which gives the mountains their distinct maroon color.

3

The trail leading to the lake gains approximately 600 feet of elevation over roughly 1.8 miles.

4

It is a starting point for the technical ascent of North Maroon Peak and Maroon Peak.

Overview

Crater Lake in Aspen, Colorado, is an alpine glacial lake situated at the base of the iconic Maroon Bells peaks. The lake is reached via a dedicated trail beginning at the Maroon Bells Scenic Area. It occupies a high-altitude basin carved by historical glacial activity. The surrounding landscape features a mix of aspen groves and coniferous forests, providing habitat for local wildlife like moose and marmots. The site is a primary trailhead for access to the Maroon Bells-Snowmass Wilderness. Visitors must contend with high-altitude conditions, as the lake sits above 10,000 feet in elevation.

Photo spot

The north shore of the lake facing the Maroon Bells for the iconic reflection shot.

Insider tips

Acclimatize to the high altitude for at least 24 hours before attempting the hike to prevent altitude sickness.

Bring layers, as temperatures can drop rapidly and weather shifts frequently at this elevation.

Practice Leave No Trace principles, as this is a high-traffic wilderness area with fragile alpine vegetation.

What to avoid

Attempting the hike without proper hydration or during afternoon monsoon storms; parking without a pre-arranged permit.

Good to know

Access is restricted by seasonal road closures; typically open late spring through mid-autumn depending on snow levels.

Etiquette

Stay on marked trails to protect alpine flora; pack out all trash; do not feed or approach wildlife.

Plan your visit
Typical visit
2.5-4 hours
Best time to visit
Early morning in summer and early autumn to capture stable light and avoid afternoon thunderstorms.
39.087, -106.966
Get directions
Details
Shade & rest areasLimited natural shade; exposed rocky shoreline with minimal facilities.
Trail DifficultyModerate

Frequently asked

Plan for about 2.5-4 hours to see the highlights.

The best time to visit is Early morning in summer and early autumn to capture stable light and avoid afternoon thunderstorms..

The north shore of the lake facing the Maroon Bells for the iconic reflection shot.

Close by you'll find Maroon Bells Scenic Area, Maroon Bells, Maroon Bells Amphitheatre.