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Parks & Open Space

5201 St. Vrain Road
Longmont, CO  80503
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tel (303) 678-6200
fax (303) 678-6180

Boulder County Fairgrounds
9595 Nelson Rd.
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Mud Lake Open Space

Nestled between the Town of Nederland and the Indian Peaks Wilderness Area, Mud Lake lies within the montane lifezone of the east flank of the Front Range of the Southern Rocky Mountains. About 44 species of mammals, reMud Lakepresenting 45 percent of all mammal species in the county call Mud Lake Open Space home. Nutall's cottontails, snowshoe hares, mountain lions, black bear, coyote, long-tail weasels and bobcats are regularly seen. Crayfish, amphibians and freshwater mollusks dominate the shallow lake, which some speculate may been created by a meteorite impact.

Mud Lake offers multi-use trails, picnic tables and horse trailer parking for equestrians enjoying the trail connections to Caribou Ranch Open Space.

Open year round, the park was designed partly with winter recreation in mind. Its 3.0 mile trail system is blazed with blue markers for snowshoeing and cross-country skiing.

History

Mud Lake, at one time called Muskee Lake, has a long history of human use and exploration. The lake itself has drawn the attention of university researchers studying the amphibians and mollusks. Early reports and studies date from the 1930s. Citizens of Nederland have long enjoyed the area for hiking, pincicking, ice-skating and other outdoor activities.

Mud LakeThe property was first homesteaded in the early 1870s in conjunction with the gold and silver mining occurring around Nederland and Caribou. The discovery of silver just to the west of Mud Lake at Caribou in 1869 led to heavy prospecting across this whole region of present-day Boulder County. By 1871 silver mining had begun at the Bluebird Mine, just one and a half miles northwest of Mud Lake. These first mineral "booms" led to the initial resource development impacts and land patenting activities in the Mud Lake area.

The tungsten mining boom, which began at the turn of the 20th century, also heavily influenced use of the property. By 1904, the Wolf Tongue Mining Company and the Primos Chemical Company purchased most of the holdings, and industrial mining began around Mud Lake. The Colorado Tungsten Corporation also acquired tracts and mined on the north part of the property. During a peak in values during World War I, the district produced most of the tungsten ore in the world.

A decline in tungsten values followed the development of mining and production in China. This fact, along with depleted supplies in Boulder County, led to a drop in value for the ore, and the market for tungsten never recovered.

Following the bust in tungsten mining after WWI, most of the lands around Mud Lake were probably used for pasture and grazing. Following the disturbances due to mining and related activities, the area responded with very high rates of tree recruitment. As residential development and mountain property values increased, suppression of forest fires kept these forest strands thick and homogenous. As use of the property waxed even further, the remnants of the mining era fell into disrepair and became convenient locations for trash dumping.

Boulder County began purchasing the property jointly with the Town of Nederland in 1999. The Wild Bear Center for Nature Discovery, a non-profit environmental education organization, also owns a 5-acre parcel at the site, where they are planning to build a nature center in the future. Wild Bear currently uses the property for daytime, hands-on educational programs.

Trails

Mud Lake consists of 190 acres of open space with a 3.0 mile multi-use trail system that represents one of the highest densities of trail networks in the entire County Open Space system. Hikers can enjoy pedestrian only paths near the lake and scenic loops that cover much of the property. Dogs are allowed at the park but must be leashed at all times.

The site offers a loop system for mountain bikers and equestrians that consists of the Tungsten Loop (0.80 miles) and the Kinnickinnick Loop (1.10 miles).

The Caribou Ranch Link (0.50 miles) branches off the Tungsten Loop on the northwest and crosses Sherwood Creek to the Caribou Ranch trailhead. The trail connections to Caribou Ranch provide extra mileage for a total round trip of about 5.5 miles. Horse trailer parking at the main parking area at Mud Lake is intended to accommodate equestrians visiting Caribou Ranch. The Caribou Ranch Link at Mud Lake is multi-use, but bikers are not permitted on Caribou Ranch Open Space trails.

For a summary of activities and facilities on all County Open Space parks, please visit our Summary of Public Parks and Open Space page. Geocaching is permitted at Mud Lake.

Facilities

This site has two picnic tables at the main trailing parking lot and permanent restroom facilities. The parking lot is built for 25 cars with additional horse trailer parking that serves both Mud Lake and Caribou Ranch Open Space.

Access

The Mud Lake trailhead can be accessed off County Road 126, one mile north of the turnabout in the Town of Nederland, off the Peak-to-Peak Highway (Hwy 72).

Visiting Mud Lake

Mud Lake Kiosk Map:  Because all of our open space properties are environmentally sensitive, it is important for users to know the rules and regulations pertaining to our open space. Once the map is displayed, you can use the adobe toolbar to fit the map to your window, pan, zoom in or out, search or print the map on your own printer. The size of the original map and screen reduction are shown on the lower left hand status bar.

The Mud Lake map is an 850 KB file and will require Adobe Acrobat Reader, which is available free from Adobe. The map may not appear properly in your web browser.  For best results, save the map file to a directory on your computer by right clicking on the map link and choosing "Save Target as" in Internet explorer or "Save Link as" in Netscape. Open the file using Adobe Reader.

   

Black-tailed prairie dog.

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