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Colorado > Colorado Community Areas > Dillon Area
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Dillon Area

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Dillon Ranger District- The Dillon Ranger District includes much of Summit County, Colorado; the area surrounding Silverthorne, Dillon, and Breckenridge. The district lies along the western side of the Continental Divide.
Dillon Reservoir Recreation Area- The Dillon Reservoir Recreation Area surrounds Dillon Reservoir, on the south side of Silverthorne and Dillon. The reservoir sits at an elevation of 9,015 feet.
Eagles Nest Wilderness (East Side)- The Eagles Nest Wilderness straddles the Gore Range.
Green Mountain Reservoir Recreation Area- The Green Mountain Reservoir Recreation Area is located about 15 miles north of Silverthorne. The area offers many water based activities as well as camping and hiking.
Ptarmigan Peak Wilderness- Ptarmigan Peak is composed of lower elevation ecosystems of lodgepole pine and piƱon juniper, as well as, spruce-fir and alpine tundra forests. Elevations range from 8,800 to 12,757 feet.

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General Information

Sunset over Dillon Reservoir from the Penninsula Recreation Area
Copyright: Zander Higbie - Interactive Outdoors, Inc.
Sunset over Dillon Reservoir from the Penninsula Recreation Area
Description - Most of the outdoor attractions in this area are on the public lands of the White River National Forest. Four major ski areas, Breckenridge, Keystone, Arapaho Basin and Copper Mountain are located in the Dillon Area. The area has two large reservoirs, Green Mountain and Dillon. Dillon Reservoir lies between Frisco, Silverthorne and Dillon. Green Mountain Reservoir lies 15 miles north of Silverthorne. The area includes major portions of the Eagle's Nest and Ptarmigan Peaks wildernesses.

Recreation - With the ski areas and large reservoirs, the Dillon Area is a center for recreation activity. Downhill skiing, fishing, and boating are the most popular activities.

There are 14 campgrounds in the area, including 1 group campsite. The campgrounds are located mostly around the two reservoirs and offer varying levels of services. Many of the campgrounds offer fishing and boating adjacent to the sites. Backcountry and dispersed camping opportunities also exist. When camping outside developed campsites, be sure to follow the backcountry and dispersed camping regulations, and 'Leave No Trace' principles to ensure the next visitor an equal experience.

The district offers many miles of trails for hiking, mountain biking, horseback riding, and cross-country skiing. Many trails in the area reach above 13,000 feet elevation.

Climate - Elevations in the Dillon Area range from about 8,000 feet at Green Mountain Reservoir to over 14,000 feet on several of the highest peaks. Vegetation includes sagebrush meadows at lower elevations, aspen and lodgepole pine at intermediate elevations, Engelmann spruce/subalpine fir forests above about 10,000 feet, and alpine tundra at the highest elevations.

At the lowest elevations, around Green Mountain Reservoir, summer high temperatures extend into the mid 80s. Because much of the district is over 9,000 feet, high temperatures can be significantly cooler, with evenings temperatures that can often dip into the 30s. Winter lows occasionally dip to minus 35 degrees, though daytime temperatures are often in the 20s and 30s. The relative humidity is quite low throughout the year. Much of the annual precipitation comes in the form of winter snow but afternoon summer thunderstorms are common. Snow is possible at any time of year in the highest elevations. The high elevation roads and trails are often not clear of snow until at least mid-July.

Location - The Dillon Area lies about 70 miles west of Denver; just west of the Continental Divide. The area surrounds the towns of Silverthorne, Dillon, Frisco, Breckenridge and Keystone. The area includes portions of the Gore Range, the Tenmile Range and the Williams Fork Mountains.

The Blue River runs through the middle of the area, from south to north, with other major drainages including the Snake River, Swan River and Tenmile Creek. The area has two large reservoirs, Dillon and Green Mountain. Interstate 70 cuts through of the area from east to west.

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More Information

Contact Information:
Summit County Chamber of Commerce, 011 S. Summit Blvd. , Frisco, CO, 80443, Phone: 800-530-3099, Fax: 970-668-1515

Additional Information:
Colorado Community Areas - Colorado's diverse communities include metropolitan areas, posh ski resorts and rustic mountain towns.
Northwest Region - This diverse area encompasses mountains and high desert. The terrain supports a huge variety of recreation opportunities and some of Colorado's world famous resorts.

ATV Historical Color Tour - A non-profit event that benifits two charity's in the Buena Vista area
Frisco Area Lodging - Summit County's most centrally located ski-town.
FriscoAlive.com - Your online source for Frisco, Colorado.
Hotel Frisco - Summit County's Legendary Main St. Inn.
Summit County Chamber of Commerce - Economic, vacation, real estate and recreation information for Summit County.
Summitnet - This site provides varied information about the communities within Summit County.
White River National Forest - Official Forest Service website.


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