| Official Name: | Barr Lake, Colorado |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Colorado#USA |
| Pushpin Label: | Barr Lake |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Colorado |
| Subdivision Type2: | County |
| Subdivision Name2: | Adams |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -6 |
| Elevation Ft: | 5,115 |
| Coordinates: | 39.9444°N -104.7753°W |
| Area Codes: | 303, 720, & 983 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 184609 |
Barr Lake is an unincorporated community in Adams County, in the U.S. state of Colorado. It is located within the Denver metropolitan area.
It is located next to the Barr Lake State Park.
School District 27J serves Barr Lake. Kids attend Henderson Elementary School and Prairie View Middle School.
Barr Lake was named for a Mr. Barr, a civil engineer for the Chicago, Burlington and Quincy Railroad. It was originally named Platte Summit.[1]