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Union Reservoir
Lake · Longmont, Colorado
Things to Do Near Union Reservoir
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Weather at Union Reservoir
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Frequently asked questions
- Where is Union Reservoir?
- Union Reservoir is a lake in Longmont, Colorado.
- Can you swim at Union Reservoir?
- There is no fixed answer for Union Reservoir: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Union Reservoir in Longmont, Colorado. Check current water conditions before you go, and follow posted signs and local guidance.
- How is Union Reservoir rated?
- Union Reservoir in Longmont, Colorado has an average visitor rating of 4.3 out of 5, based on 199 reviews.
Visitor Reviews
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Best Times to Visit
- ›Check for boat launch facilities and fees
- ›Obtain required fishing licenses before arrival
- ›Be aware of lake-specific regulations and restrictions
- ›Monitor water quality reports before swimming
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