Paddleboarding & Recreation at Union Reservoir, Longmont
Difficulty
easy
Duration
1–3 hours
Fitness Level
Basic fitness required for paddleboarding or swimming; families and beginners will find access straightforward.
Overview
Union Reservoir in Longmont invites paddlers, swimmers, and anglers to enjoy a versatile water experience with sandy beaches, mature shade, and dog-friendly spots. Learn why this reservoir stands out as a family-friendly outdoor hub just outside Denver.
Paddleboarding & Recreation at Union Reservoir, Longmont
Adventure Tips
Bring a Personal Flotation Device
Wearing a PFD is required for all watercraft users here and enhances safety on the reservoir's open waters.
Monitor Weather Closely
Winds and storms can sweep across the water quickly—check local forecasts and watch clouds carefully before heading out.
Use Your Whistle for Emergencies
Carry a whistle to signal for help when needed; understand it may not guarantee immediate ranger assistance.
Pack Out What You Pack In
Help maintain the reservoir’s clean and accessible beaches by taking all trash with you upon departure.
Local Insights
Wildlife
- Great blue herons
- Mule deer occasionally seen near the shoreline
History
Union Reservoir has long served the Longmont area as both an irrigation resource and a recreational water body.
Conservation
Visitors are encouraged to minimize disturbance, pack out all trash, and adhere to water safety rules to protect the reservoir’s ecosystem.
Adventure Hotspots in Denver
Frequently Asked Questions
Recommended Gear
Personal Flotation Device (PFD)
A must-have for safety on any watercraft here.
summer specific
Whistle
Required for signaling emergencies on the water.
summer specific
Sun Protection (hat, sunscreen)
Protect your skin during long exposure on open water and sandy beaches.
summer specific
Water Shoes or Sandals
Protect feet on sandy and rocky entry points and shallow swim areas.
summer specific