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Mosquito Pass

Lake County, Colorado

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Just east of Leadville, Mosquito Pass is the highest pass in Colorado open to motorized travel. Although rocky in areas, stock high-clearance vehicles should have no problem during dry conditions. With old mines and mills along the way, as well as scenic views over the alpine environment, this is a great summer trail.

Popular Trails in This Area

Mosquito Pass
Weston Pass

Detailed Description

How To Get There

From Leadville: Head east out of town on 7th st from Harrison Ave. Continue approx 0.7 miles where it will turn into Co Rd 3. Continue on Co Rd 3 approx 0.8 miles to trail access.

Trail System Photos

Click thumbnail to view a larger version of each photo.

Start of the Mosquito Pass trail. This part is the easy part.
View of Diamond Lake and Mountain Lake while climbing toward Mosquito Pass.
Mosquito Pass - 13,185 Feet
A group of 4WD enthusiasts and their vehicles at the top of Mosquito Pass.
Close up of the Mosquito Pass marker.
A mine shaft is visible in the distance.
Descending toward the New London Mine on the Mosquito Pass trail.
An old generator or motor shaft located at the site of the New London mine.
Pieces of an old generator or motor located at the site of the New London mine.
New London Mine on the Mosquito Pass trail.
View of the descent on the east side of Mosquito Pass.
An old cabin on the trail on the east side of Mosquito Pass.
The view from the cabin.

Trail System Videos

No videos.

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Trail System Information

Location is:

Trailhead

Nearest City:

Leadville

Difficulty:

3 - 4

Distance:

11.5 miles

Time:

2-4 hours

Elevation:

10500 to 13185 feet

Best For:

4WDMotorcycle

4WD

Motorcycle

Note that not all of the trails in an area will be open to all vehicle types. Follow the Motor Vehicle Use Maps (MVUM)s and signage for the area and ride only on trails open to and wider than your OHV.

Special:

Most routes in this area are open only to licensed, street-legal vehicles. Please refer to the MVUM for designated ATV and dirt bike routes.

Trail System Maps and GPS Files

Click filename to download.

MVUM

PSI_Leadville_2012.pdf

Motor Vehicle Use Map (MVUM)

Leadville Ranger District

Adobe Acrobat PDF (2275.2 KB)

How to Print Sections of a Motor Vehicle Use Map

MosquitoPass.gpx

MosquitoPass.gpx

GPS Exchange File (137.3." KB)

MosquitoPass.jpg

MosquitoPass.jpg

JPEG Image (280.5." KB)

MosquitoPass.pdf

MosquitoPass.pdf

Adobe Acrobat PDF (44.8." KB)