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Crater Lakes via East Portal Trailhead

Central Front Range, Colorado

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Crater Lakes via East Portal Trailhead

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  • Parking area for the East Portal Trailhead.- Crater Lakes via East Portal Trailhead
  • East Portal Trailhead.- Crater Lakes via East Portal Trailhead
  • A remaining cabin at the East Portal Trailhead.- Crater Lakes via East Portal Trailhead
  • Moffat Tunnel/East Portal.- Crater Lakes via East Portal Trailhead
  • Moffat Tunnel.- Crater Lakes via East Portal Trailhead
  • James Peak Wilderness sign.- Crater Lakes via East Portal Trailhead
  • Signs to help mark the trail.- Crater Lakes via East Portal Trailhead
  • Trail marker in front of an old cabin.- Crater Lakes via East Portal Trailhead
  • Trail junction signage.- Crater Lakes via East Portal Trailhead
  • The area holds great backcountry terrain.- Crater Lakes via East Portal Trailhead
  • Snow-covered bridge over the creek.- Crater Lakes via East Portal Trailhead
  • Crossing the bridge.- Crater Lakes via East Portal Trailhead
  • Coming out of the trees for a bit.- Crater Lakes via East Portal Trailhead
  • Mountain in the distance.- Crater Lakes via East Portal Trailhead
  • Moss covered tree limbs.- Crater Lakes via East Portal Trailhead
  • Backcountry skiiers making their way to steeper terrain.- Crater Lakes via East Portal Trailhead
  • The second visible trail junction.- Crater Lakes via East Portal Trailhead
  • Splitboarders skinning in to the Crater Lakes terrain. - Crater Lakes via East Portal Trailhead
  • Splitboarders crossing the wind swept terrain.- Crater Lakes via East Portal Trailhead
  • Blue paint spot marking the Crater Lakes Trail junction.- Crater Lakes via East Portal Trailhead
  • Brown paint spot marking the Crater Lakes Trail.- Crater Lakes via East Portal Trailhead
  • View through the trees.- Crater Lakes via East Portal Trailhead
  • Steep climb through the snow.- Crater Lakes via East Portal Trailhead
  • Mountain peak through the trees.- Crater Lakes via East Portal Trailhead
  • Path leading out into the first plateau.- Crater Lakes via East Portal Trailhead
  • Exploring the plateau.- Crater Lakes via East Portal Trailhead
  • Crater Lakes basin.- Crater Lakes via East Portal Trailhead
  • Closer look at the surrounding mountains.- Crater Lakes via East Portal Trailhead
  • Peak above Crater Lakes.- Crater Lakes via East Portal Trailhead
  • Peak above Crater Lakes.- Crater Lakes via East Portal Trailhead
Overview + Weather
Pros: 
Historic significance. Alpine lakes. Solitude.
Cons: 
Very windy.
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Region:
Central Front Range, CO
Congestion: 
Moderate
Pets allowed: 
Yes
Net Elevation Gain: 
1,430.00 ft (435.86 m)
Parking Pass: 
Not Required
Preferable Season(s):
Winter, Spring, Summer, Fall
Total Distance: 
6.00 mi (9.66 km)
Trail type: 
There-and-back
Trailhead Elevation: 
9,221.00 ft (2,810.56 m)
Current Local Weather:
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Adventure Description

Adventure Description

Contributor

The trail to Crater Lakes begins at the East Portal, also known as the Moffat Tunnel. This impressive example of human engineering was first envisioned by David Moffat, who relocated to the booming mining town of Denver in 1860. The Union Pacific Railroad was trying to find the best way to pass through the Continental Divide over the Rocky Mountains, and the company settled on southern Wyoming's more manageable terrain. Later, Moffat decided to build a direct route from Denver to Salt Lake City across Colorado via a tunnel through the mountain range. Though it did not come to fruition during Moffat's lifetime (he died on March 18, 1911), his business partners and associates kept his dream alive, and the tunnel's construction received financial backing on June 11, 1923. The construction camps established at the site included schools, hospitals and recreation facilities. Some of the buildings still remain and can be seen at the East Portal Trailhead.

The first freight train made its way through the finished tunnel on February 24, 1928. The Moffat Tunnel reaches 6.21 miles in length and took four years to complete at a total cost of $15.6 million. The tunnel shaved an impactful 23 miles off the previous route, and it is still used today by Union Pacific to transport freight across Colorado.

After marveling at the history this trailhead provides, continue through the forest, following along South Boulder Creek, gaining little elevation until the cut off to Crater Lakes. There are two trail junction signs on the way that will indicate how much farther the Crater Lakes Trailhead is, but the actual sign at the junction is typically buried beneath the snow during the winter months. If there aren't any tracks to the right off the main trail, look for a tree with a blue paint spot on it at about 2 miles from the parking area. The path is further marked by brown paint spots on a few trees. It is highly recommended to travel with a GPS track to follow to avoid taking a difficult route to the lakes; there is an elevation change of about 1,000 feet, and some tracks may lead off the true trail. 

There are two lower Crater Lakes and one upper Crater Lake that can all be reached from this trail, though, the upper lake is a steep climb. 

Backcountry Safety

Winter backcountry adventures can be dangerous outdoor activities that pose significant risks as conditions affecting safety (i.e. weather, snowpack stability, avalanche hazard) are constantly changing. Prior to engaging in these activities each individual should get the proper training to make safe decisions and be equipped to use avalanche safety resources and tools. Please visit our Backcountry Skiing and Avalanche Safety post to learn more.

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Nearby Camping + Lodging

(22 within a 30 mile radius)

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(105 within a 30 mile radius)

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