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Boulder County
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.
Affolter House
Longmont, CO  80501
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tel (303) 678-6235
fax (303) 678-6322

 


Rabbit Mountain

Rabbit MountainRabbit Mountain is part of the uplift that divides the Saint Vrain drainage basin from the Big Thompson drainage basin. It provides a remarkable view of the Continental Divide to the west, as well as great views of the Big Thompson valley to the north and the Saint Vrain valley to the south. Within this transition zone, a diversity of plants and animals thrive. The nearby cliffs are one of the few places in Boulder County where Golden Eagles still build their nests. 

Rabbit Mountain has multiuse trails and picnic tables available for visitors. Because it is an important eagle nesting area, a portion is closed to the public each year. Rabbit Mountain is located east of Lyons off of Highway 66.

History

From a geological perspective, Rabbit Mountain is one of the most interesting open space properties in the County. Over 140 million years ago, this area was a tropical lowland covered by rivers, swamps, and lagoons. Dinosaurs and other reptiles wandered through lush vegetation. 

Seven natural springs occur in the Rabbit Mountain area. These springs along with abundant game and shelter from the strong west winds, provided an excellent wintering area for Native Americans who lived in this area for at least 5,000 years.

When gold was discovered in the mid-1800s, many prospectors, lured to Colorado by the promise of striking it rich, homesteaded this area when mining proved unsuccessful. In 1864, Columbus Weese became the first settler at Rabbit Mountain. Jack Moomaw, the second owner of the property, was Rocky Mountain National Park's first forest ranger. His family sold Rabbit Mountain to Boulder County Parks and Open Space in 1984, preserving the land in its natural state for future generations to enjoy.

Trails

Terrain along the Eagle Wind Trail.Rabbit Mountain contains over 2,888 acres of backcountry. There are over 5 miles of multiuse trails. Eagle Wind Trail (3 miles), the Little Thompson Overlook Trail (1 mile) and the Indian Mesa Trail (1.3 miles) are all multiuse trails open to hikers, mountain bikers and equestrians. Dogs are permitted on all trails and must be leashed at all times.

Facilities

Restrooms and picnic facilities are available at the trailhead, as well as a group shelter that can accommodate 30 people. 

Closures

Boulder County Parks and Open Space annually closes the southeastern section of Rabbit Mountain Open Space from February 1st through July 31st to protect eagles during their nesting season.

Closures do not affect trail use. However, visitors found in this critical wildlife closure area south and east of the Eagle Wind Trail can be fined up to $300. 

Access

Rabbit Mountain Open Space is located on North 53rd Street, about 15 miles north of Boulder off of Highway 66 approximately two miles east of Lyons.

Visiting Rabbit Mountain

Rabbit Mountain is an open relatively treeless environment making July and August extremely hot midday. We recommend early evening or early morning use during these months. Winter is the best time to observe raptors at Rabbit Mountain.

Rabbit Mountain 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 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 Rabbit Mountain map is a 100 KB file and will require Adobe Acrobat Reader, which is available free from Adobe. Map may not appear properly in your web browser, for best results, save map file to a directory on your computer (right click and choose "Save Target as" in Internet explorer or "Save Link as" in Netscape) and open using Adobe Reader.



Black-tailed prairie dog.

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