Boulder

Boulder Reservoir

Expansive water and stunning Flatiron views make this the perfect place for paddling, swimming, and relaxing.

Entry Fee

All walkups, please plan to pay a park entry fee of $12/person. Season passes are also available! For a full breakdown of entry fees please visit Boulder Reservoir's website here!

Park Location

Boulder Reservoir is located at 5565 N. 51st St. in beautiful Boulder, Colorado. Once you enter the park, follow the main road to the boathouse/marina. We are located in the orange boathouse building near the main boat ramp.

Can My Pup Paddle Too?

Although we love your dog, they are not allowed in the park from May 15 to Labor Day.

When Nature Calls…

Restrooms are conveniently located at the back of our shop (because sometimes, nature calls before you hit the water!)

Paddle, Sip & Stay Awhile at Lakeside

Grab a snack or drink on site! For tastier options, visit our Lakeside Cafe inside the Visitor Center. Now offering signature cocktails, hot food, and soft serve. There's no better lakeside experince!

Make a full lake day of it with a stop at Lakeside at Boulder, located inside the Visitor Center. Before or after your paddle, enjoy refreshing cocktails, cold drinks, and hot food with beautiful reservoir views.

Planning a group outing? Lakeside also offers catering for private groups and a rentable event space. Pair your time on the water with a catered meal or a lakeside celebration to bring everyone together.

Explore Lakeside

Know Before You Go

  • Keep the lake day going! Stay after your paddle for a dip at Boulder’s only swim beach.
  • Personal paddleboards require a seasonal watercraft permit. You must purchase a permit before bringing your own paddleboard to Boulder Reservoir. Day-use permits are not available.

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Test

Opening Day!

May 9, 2026

Full Moon Paddle

May 31, 2026

Flatiron Flatout SUP Classic

June 20, 2026

Full Moon Paddle

June 28, 2026

Paddle & Pints

July 10, 2026

Full Moon Paddle

July 29, 2026

Paddle & Pints

August 14, 2026

Full Moon Paddle

August 28, 2026

Full Moon Paddle - Endless Summer Under the Harvest Moon

September 25, 2026

Lakeside @ Boulder

Lakeside at Boulder is your go to spot for refreshing drinks and casual bites, perfect for fueling up before or after your time on the water.

Boulder Reservoir