Click on the name of a zone to see all the lines we have archived for that zone.

Boulder & Gilpin Counties

The front range lines closest to Boulder and Denver, there is no easy access out here.

Clear Creek County

Big lines that require big hikes. Also contains part of Berthoud Pass.

Berthoud Pass

Terrain of all types with a lot of yearly snowfall. This zone is known for big lines and big slides.

Butler Gulch

The non-motorized-travel side of Jones Pass, Butler Gulch is accessed to the West of Berthoud Falls.

Jones Pass

Snowmobiling is allowed at Jones Pass, and there’s a commercial snowcat operation running as well. There’s a variety of terrain to access.
Look for Jones Pass to the West of Berthoud Falls.


Eagle County is home to a variety ski terrain in the Gore Range and the Sawatch Range.

Vail Pass

Motorized Access on the South side of the highway, skinning and hiking on the North side. Deep snow and varied terrain up here.

Park & Lake Counties

Park and Lake Counties are home to the Sawatch Range (Lake County) and the Mosquito Range (Park and Lake Counties)

Mosquito Range

The Mosquito Range is the extension of the Tenmile Range to the South of the continental divide (below North Star Peak).

Sawatch Range

The Sawatch Range covers all of Lake County and extends up into Eagle-Vail. It is home to some huge and somewhat remote mountains.

Rocky Mountain National Park

Rocky Mountain National Park in Northern Colorado has some huge lines for aspiring ski mountaineers.

Summit County

Mostly difficult access, steep avalanche prone terrain.

Loveland Pass

Some easy access terrain mixed with some difficult to get to, high consequence terrain.

Montezuma & Summit Front Range

Montezuma has a lot of huge, remote, dangerous terrain to ski. The Front Range in Summit includes Montezuma and runs West from there to Hoosier Pass.

Tenmile Range

The Tenmile Range stretches from Frisco down to the South of Breckenridge and features a variety of big-mountain terrain.

The Gore Range

The Gore Range lies to the north of Silverthorne, Frisco, and Vail. Many lines are extremely remote and not frequently skied.

Williams Fork Mountains

A small range to the Northeast of Silverthorne, the Williams Fork Mountains have a couple of zones that are skied.

Wolf Creek Pass

In the Southern San Juans, where the snow piles up deep, you can find skiable terrain across the highway from Wolf Creek Ski Area on Wolf Creek Pass.

Colorado Map

*All Mapped Areas are Approximations

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