Lake guide
Live cameraUnion Reservoir CamRamps
Anderson Cove Boat Ramp461 County Road 26, Longmont CO 80504
MapContact & rules
Boating & yacht clubs
US
Union Sailing Club8 one-design fleets · weekly racing + 5 named 2026 regattas including Rocky Mountain Snipe Championship
VisitAbout Union Reservoir
Union Reservoir is a 717-acre reservoir in Colorado, completed in 1902, managed by City of Longmont Natural Resources. Live water-level readings are scraped from co-cdss on a regular schedule. The main public launch is Anderson Cove Boat Ramp at 461 County Road 26, Longmont CO 80504. The Union Sailing Club is the active sailing club on the water.