Boulder Reservoir
4.1FreeOpen now · until 9:00 PMA scenic lakeside destination offering swimming, kayaking, hiking, and mountain views

Located in the Boulder area near Denver, Boulder Reservoir is a popular multi-use lake set against a stunning Rocky Mountain backdrop. Visitors can enjoy paddleboarding, swimming, kayaking, waterside hiking trails, and beach volleyball. The reservoir also frequently hosts local athletic competitions, triathlons, and sailing regattas throughout the warmer months.
Expert notes
- Bring sunscreen and stay hydrated, especially during summer months.
- Check for any weather alerts before your visit, as conditions can change rapidly.
- Wear appropriate footwear if you plan to walk the trails around the reservoir.
- Observe all posted signs regarding swimming and boating rules.
- Pack out what you pack in to keep the area clean.
- Arrive early on weekends to avoid long lines at the entrance.
- Consider bringing a beach umbrella for shade.
- If fishing, ensure you have a valid Colorado fishing license.
- Respect wildlife and maintain a safe distance from animals.
- Use designated swimming areas for safety.
- Plan your visit around sunset for a beautiful view over the water.
- Be cautious of fluctuating water levels during the summer.
- Follow park rules to ensure a safe experience for everyone.
- Bring a camera to capture the stunning views.
- Consider checking the reservoir's website for any special events or closures.
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