Lake County, Colorado
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.
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.
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Trail System Information
3 - 4
10500 to 13185 feet
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.
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.
Leadville Ranger District, (719) 486-0749
Trail System Maps and GPS Files
Click filename to download.
GPS Exchange File (137.3." KB)
JPEG Image (280.5." KB)
Adobe Acrobat PDF (44.8." KB)