Best Lakes for Swimming in Boulder, Colorado

Boulder, Colorado, offers some fantastic options for those looking to enjoy a refreshing swim in picturesque natural settings. Here are some of the best lakes for swimming in and around Boulder:

Wonderland Lake

• Location: Wonderland Lake is situated in North Boulder.
• Swimming: While swimming is allowed, it's important to note that there are no lifeguards on duty.
• Facts: Wonderland Lake is a serene spot surrounded by beautiful trails, making it a popular choice for a relaxing swim.
• Local Knowledge: Visitors should be aware that the water can be chilly even in the summer months, so it's advisable to check the temperature before diving in.

Boulder Reservoir

• Location: Boulder Reservoir is located to the northeast of Boulder.
• Swimming: The reservoir offers designated swimming areas with lifeguards on duty during specific hours.
• History: Boulder Reservoir is a man-made lake that was created for recreational purposes and is a hub for various water activities.
• Visitor Tips: Visitors should arrive early, especially on weekends, as the reservoir can get crowded during peak times.

Gross Reservoir

• Location: Gross Reservoir is a short drive from Boulder to the southwest.
• Swimming: While swimming is allowed, there are no designated swimming areas or lifeguards, so caution is advised.
• Local Knowledge: Gross Reservoir is surrounded by stunning mountain views and is a great spot for a more secluded swimming experience.
• Visitor Tips: Visitors should be prepared for a rugged terrain and limited facilities at Gross Reservoir.

Driving Directions from Boulder, Colorado:

• Wonderland Lake: Head north on Broadway, turn left onto Sumac Avenue, and continue until you reach Wonderland Hill Avenue.
• Boulder Reservoir: Take Jay Road eastbound until you reach the reservoir entrance.
• Gross Reservoir: Drive south on CO-93, turn left onto CO-170, and follow signs for Gross Reservoir.