The Best Things to Do in Summit County, Colorado for Every Season

Discover Summit County: Colorado’s All-Season Playground

Surrounded by snow-capped peaks and sun-drenched valleys, Summit County, Colorado is an outdoor lover’s paradise. Whether you visit for the world-class skiing, crystal-clear lakes, or charming mountain towns, this region offers endless adventure no matter the season. With over 300 days of sunshine each year, there’s never a bad time to experience the best of the Rockies.

Start your trip by booking a cozy vacation rental or mountain cabin, then use this guide to plan your unforgettable Summit County escape.

Hit the Slopes at Summit County’s Top Ski Resorts

Summit County is home to some of the most iconic ski resorts in North America, each offering something unique for every level of skier or snowboarder.

Copper Mountain is the area’s largest resort and ideal for families, with terrain for beginners and experts alike. Breckenridge Ski Resort delivers breathtaking above-treeline runs and challenging slopes that attract seasoned skiers from around the world. For a relaxed and beginner-friendly vibe, Keystone Mountain Resort is perfect, with long green runs and excellent ski schools. And if you’re after a local favorite, Arapahoe Basin—or “A-Basin”—offers a laid-back atmosphere and some of Colorado’s highest-elevation terrain.

Can’t pick just one? Grab an Epic Pass for unlimited access to Breckenridge and Keystone, or an Ikon Pass to enjoy Copper Mountain and A-Basin all season long.

Spend a Day at Lake Dillon

In summer, Lake Dillon (also called Dillon Reservoir) transforms into one of Summit County’s most scenic playgrounds. With 26 miles of shoreline surrounded by towering peaks, it’s the perfect spot for kayaking, paddleboarding, sailing, or pontoon boating. Rentals are available from both the Frisco Bay Marina and the Dillon Marina.

Prefer to stay on land? Bike or hike the lakeside trail, play a round of disc golf, or enjoy a picnic at Sapphire Point Overlook for some of the best panoramic views in the area. Anglers can also cast a line for trout in the clear alpine waters.

Explore Rocky Mountain Trails

Summit County is bordered by the White River National Forest and the Arapahoe & Roosevelt National Forests, offering hundreds of miles of trails for every type of hiker. From easy walks through pine forests to summiting one of the region’s six 14ers (mountains over 14,000 feet), there’s no shortage of breathtaking routes.

Mountain bikers will find plenty to love, too. The Keystone Bike Park features award-winning downhill trails, while the Frisco Bike Park offers fun courses for all skill levels. For a mix of summer and winter fun, visit the Frisco Adventure Park, where you can mountain bike, skate, or go tubing depending on the season.

Stroll Through Summit County’s Charming Mountain Towns

Summit County isn’t just about outdoor adventure—it’s also known for its inviting alpine towns filled with great dining, shopping, and local culture.

Stroll along Main Street Breckenridge to browse boutiques and enjoy cozy restaurants, or head to Keystone Ranch for fine dining with historic charm. In Silverthorne, take on a whitewater rafting trip down the Blue River, or stop in Dillon for live music at the amphitheater overlooking the lake.

Getting around is easy thanks to the Summit Stage, a free shuttle service that connects all the major towns and resorts—perfect if you’re exploring multiple areas or sampling local brews at the Breckenridge Distillery.

Experience the Best of Colorado High Country

From skiing fresh powder in winter to hiking wildflower-lined trails in summer, Summit County offers year-round adventure and small-town charm in equal measure. Whether you’re visiting for a romantic getaway, a family trip, or an action-packed vacation with friends, you’ll find unforgettable experiences at every turn.

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