Epic Aerial View of Boulder, Colorado – Elevation: 5,430 ft

Looking for the ultimate summer activity in Boulder? Imagine standing tall on a paddleboard, gliding effortlessly across shimmering water with panoramic views of the Flatirons surrounding you. Paddleboarding in Boulder offers the perfect blend of outdoor adventure and scenic tranquility — all just minutes from town. Whether you’re a beginner or a seasoned pro, this guide will help you make the most of your SUP (stand-up paddleboarding) experience in Boulder.

Respect Boulder’s Natural Beauty: Leave No Trace

Before you hit the water, it’s important to remember that Boulder takes pride in its pristine landscapes. Be sure to follow Leave No Trace principles: pack out what you bring in, avoid disturbing wildlife, and stick to established trails and launch points. These simple steps help preserve the stunning lakes and reservoirs that make paddleboarding here so special.

Top Paddleboarding Spots Around Boulder

Here are the top places to get your paddle on:

Boulder Reservoir

Often called “The Res” by locals, this is Boulder’s most popular paddleboarding destination — and for good reason. With its expansive waters, sandy beaches, and jaw-dropping Flatiron views, it’s easy to spend an entire day here. Whether you want a relaxing cruise or a full-body workout, Boulder Reservoir delivers. Grab a cold drink, lounge on the shore, or explore hundreds of acres on your board.

Rental Info: You don’t even need to bring your own board — Rocky Mountain Paddleboard rents paddleboards right on-site. Permits for personal boards are limited and typically sell out early each year, so renting is the way to go for most visitors.

Classes: New to paddleboarding? Sign up for a beginner lesson with a certified instructor. Want a unique challenge? Try a stand-up paddleboard yoga class — perfect for working on your balance and your zen while floating on water.

Fees & Rules: Entry is $12 for non-resident adults. Keep in mind that dogs aren’t allowed at the Reservoir from mid-May through Labor Day.

Boulder Reservoir

McIntosh Lake

Located just outside Boulder in Longmont, McIntosh Lake offers a more low-key paddleboarding experience with wide-open views of Longs Peak. It’s a peaceful spot with fewer crowds, making it a great choice for paddlers seeking a quiet escape.

Brainard Lake

Tucked up in the Indian Peaks Wilderness, Brainard Lake offers a true alpine paddleboarding experience. The mountain views are absolutely stunning, and the water is cool and crisp — perfect on a hot summer day. Just be aware that the lake sits at high elevation, so weather conditions can change quickly.

Gross Reservoir (Limited Access)

Gross Reservoir is a beautiful and remote spot with dark blue waters and dramatic mountain backdrops. However, due to ongoing construction, access and watercraft use may be restricted. Check ahead for current conditions if you’re planning to visit.

Gross Reservoir

Ready to Paddle Boulder-Style?

Paddleboarding in Boulder is more than just a workout — it’s an opportunity to connect with nature, breathe in the mountain air, and unwind in one of Colorado’s most breathtaking landscapes. Whether you head to the bustling Boulder Reservoir or seek out the serenity of McIntosh Lake, there’s no shortage of options for getting out on the water.

So grab your board (or rent one!), soak in the sunshine, and let Boulder’s natural beauty carry you across the water.

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