| Official Name: | Keystone, Colorado |
| Settlement Type: | Home rule municipality |
| Image Blank Emblem: | Logo of the Town of Keystone, Colorado.png |
| Blank Emblem Type: | Logo |
| Pushpin Map: | USA |
| Pushpin Label: | Keystone |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location of the Keystone in the |
| Subdivision Type: | Country |
| Subdivision Name: |  United States |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Summit County |
| Government Type: | Home rule town |
| Established Date: | 2024 |
| Established Title2: | Incorporated (town) |
| Established Date2: | February 8, 2024 |
| Unit Pref: | US |
| Area Footnotes: | [1] |
| Area Total Km2: | 107.316 |
| Area Land Km2: | 107.230 |
| Area Water Km2: | 0.086 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 1,369 |
| Population Density Km2: | auto |
| Population Density Sq Mi: | auto |
| Timezone: | MST |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Coordinates: | 39.59°N -105.9383°W |
| Elevation Ft: | 10794 |
| Postal Code Type: | ZIP Code[3] |
| Postal Code: | 80435 |
| Area Code: | 970 |
| Blank Name: | GNIS feature |
| Blank Info: | 2408479 |
Keystone is a home rule town[4] located in Summit County, Colorado, United States. The town is a part of the Breckenridge, CO Micropolitan Statistical Area. The population of the Keystone census-designated place (CDP) was 1,369 at the United States Census 2020. The Dillon post office serves Keystone postal addresses. The municipality includes the Keystone Resort and Keystone village. Keystone residents voted to incorporate on March 28, 2023, becoming a municipality on February 8, 2024.[5]
The Keystone CDP has an area of 107.316km2, including 0.086km2 of water.[1]
The United States Census Bureau initially defined the for the
Keystone Resort was originally constructed in the 1970s by the Ralston Purina Company. It is now owned by Vail Resorts. The Keystone Resort ski area occupies 3 separate mountains: Dercum Mountain, North Peak, and The Outback. Recent expansion of terrain and services offers snowcat skiing in Independence Bowl, Bergman Bowl, Erickson Bowl, in addition to the existing North Bowl and South Bowl on Wapiti Peak. The resort has many summer and winter outdoor activities. The winter activities include alpine skiing, snowboarding, tubing, ice-skating, cross-country skiing, horse-drawn sleigh ride dinners, and snowmobiling. The summer activities include hiking, mountain biking, fishing, trail running, golf on two championship courses, and paddle boating on Keystone Lake.
The Keystone ski area has:Keystone is only a short drive from other resorts in Summit County - about 10 minutes to Arapaho Basin, 20 minutes to Breckenridge, and 20 minutes to Copper Mountain.