Boulder Creek (Eben G. Fine Park / Boulder)
One of the most popular tubing spots near Denver, flowing right through downtown Boulder — fun and easy to reach,
Front Range / Denver Metro
Boulder Reservoir
‘The Rez’ to locals — a sandy-beach reservoir with a dedicated, LIFEGUARDED swim area (unusual for this region), concessions, and
Chatfield Reservoir (Chatfield State Park)
A 1,500-acre reservoir just south of Denver popular for swimming, boating, and birdwatching (200+ species recorded) — note a fatality
Cherry Creek Reservoir (Cherry Creek State Park)
A convenient, calm-water reservoir swim beach within the Denver metro area itself — one of the most accessible options without
Aurora Reservoir
One of Aurora’s largest park and open-space sites, with a sandy beach for swimming/sunbathing and an on-site education center about
Bear Creek Lake Park (Big Soda Lake)
A close-to-Denver lake within Bear Creek Lake Park offering a classic beach-day setup without a long drive.