Looking for some thrilling things to do in Keystone CO during the summer season? We've got you covered!

Nestled in the heart of Colorado's majestic Rocky Mountains, Keystone is a haven for outdoor enthusiasts and adventure seekers. While its winter slopes are legendary, the charm doesn’t end when the snow melts. Keystone transforms into an exhilarating summer playground, brimming with opportunities for adventure. From adrenaline-pumping mountain biking to serene water activities on Lake Dillon and daring aerial challenges, there’s something here for every thrill-seeker.

If adventure fuels your spirit, this guide is for you. Dive in as we explore the most thrilling summer activities near Keystone CO — on land, water, and in the air!

About Us

At Great Western Lodging, we offer a superior selection of luxury properties, including condos, townhouses, family homes, and accommodations located in the heart of both Breckenridge and Keystone.

In our destination blog, we've covered extensive information about Breckenridge and Keystone, including the best coffee shops, fishing and hunting spots, and a guide to local nightlife for some fun libations. And soon enough, more interesting content awaits you with great tips to make your travel experience even better.

So, are you ready to crank up the adrenaline?

 

Keystone CO Summer: Mountain Adventures

Climb the Via Ferrata at Arapahoe Basin

For an unforgettable adventure at dizzying heights, Arapahoe Basin’s Via Ferrata offers a thrilling challenge in the heart of the Rockies. Translating to "iron way" in Italian, a via ferrata is a protected climbing route featuring fixed steel cables, ladders, and rungs bolted into the rock. This particular route holds the distinction of being North America’s highest, with climbers ascending a staggering 800 feet up granite cliffs to a summit soaring above 13,000 feet.

Just a Short Hop from Keystone

Located a mere 6 miles from Keystone — about a 10-minute drive — Arapahoe Basin is easily accessible by car or the free Summit Stage “Swan Mountain Flyer” bus, which runs hourly between 7 AM and 5 PM. This convenience makes it an ideal day trip for both seasoned climbers and adventurous beginners looking to experience high-altitude climbing without the long drive.

What Awaits You

Embarking on the Via Ferrata at Arapahoe Basin is more than just a hike; it's an immersive experience that combines physical challenge with breathtaking natural beauty. This adventure features a 1,200-foot vertical climb that takes you through diverse terrains, each offering unique vistas and climbing challenges. As you ascend, you'll navigate through technical sections that test your strength and agility, all while being securely harnessed and clipped into the safety system provided.

The route's high-alpine environment means you'll be surrounded by panoramic views that stretch as far as the eye can see. From the summit, you can gaze out over the vast Rocky Mountain landscape, taking in the rugged granite cliffs, sprawling meadows, and distant snow-capped peaks

What Climbers Say

"The challenge is intimidating, but often, people discover stamina and abilities they didn't know they had. Mountains seem to have this effect on people!"

Explore the Thrills of Keystone Bike Park

Keystone Bike Park is a pioneer in Colorado’s downhill biking scene, offering over 55 miles of lift-accessed trails that cater to every level of rider. With a summit elevation of 11,500 feet and a base at 9,280 feet, this adrenaline-fueled destination features 28 expertly maintained trails, ranging from gentle beginner routes to rugged expert-level descents designed to challenge even the most seasoned riders.

Location

Conveniently located within Keystone Resort, the park’s trails begin at River Run Village, making it easy for visitors to dive straight into the action.

The Experience

• Beginner Trails: Glide through serene pine and aspen forests on smooth, flowing paths with minimal obstacles. Perfect for taking in stunning valley views at a leisurely pace. These trails are designed to build confidence and skills, providing a safe environment for newcomers to the sport.
  

• Advanced Trails: For thrill-seekers, technical challenges abound. Expect steep rock gardens, root-laden terrain, and natural obstacles alongside jaw-dropping wooden features, like the park’s iconic 14-foot corkscrew on the Sanitarium trail. These trails demand precise control and daring maneuvers, offering a true test of a rider’s prowess.

The Bike Park also offers many amenities, including bike rentals, repair shops, and designated rest areas where riders can recharge with a quick snack or a refreshing drink.

 

What Riders Say

"The terrain is absolutely breathtaking, with stunning views of snow-capped peaks, the Ten Mile Range, Breckenridge, Lake Dillon, and the Continental Divide. The trails wind through pine-scented forests and wildflower-strewn meadows, making every descent a scenic adventure."

 

Keystone CO Summer: Water Adventures

Explore the Alpine Waters

Lake Dillon, also known as Dillon Reservoir, is a breathtaking high-altitude lake spread across 3,300 acres with 26.8 miles of shoreline. Sitting at 9,017 feet elevation, it offers a picturesque backdrop for a variety of water activities. Dillon Marina serves as a hub for adventure seekers, providing rentals, lessons, and guided experiences.

Distance from Keystone

Located just 7 miles from Keystone, Lake Dillon is an easy 13-minute drive via Highway 6, making it a convenient day trip for visitors staying in the area.

The Experience

• Kayaking & Stand-Up Paddleboarding (SUP): Glide across the lake’s crystal-clear waters, surrounded by panoramic views of snow-capped peaks. Early mornings provide the best conditions, with glass-like water perfect for paddling. Adventurous explorers can reach secluded islands accessible only by non-motorized crafts.
  

• Sailing: Dillon Marina offers American Sailing Association (ASA) certified lessons for small groups, accommodating both beginners and advanced sailors. Whether you choose a casual tour or a hands-on training course, the alpine conditions provide a unique challenge for developing sailing skills.

What People Are Saying

"My family took sailing lessons... Wonderful experience! The instructor is extremely knowledgeable and an excellent teacher."

"The water was like glass in the early morning. We were on the water by 9:30 a.m., paddling towards the islands I'd seen hundreds of times from the freeway."

 

Keystone CO Summer: High-Altitude Trails

Grizzly Peak Trail

For those seeking a heart-pumping adventure above the treeline, the Grizzly Peak Trail is a must. This 6.5-mile round-trip hike begins at the Loveland Pass trailhead, just a quick 20-minute drive from Keystone, and climbs steeply along the Continental Divide to an impressive 13,427 feet. The trail is not for the faint-hearted, with 3,000 feet of elevation gain and multiple steep sections that will test your endurance.

As you ascend, the terrain opens to exposed alpine landscapes with sweeping 360-degree views that include the snow-capped Ten Mile Range, Breckenridge, and Lake Dillon shimmering below. The false summits along the way may play tricks on your resolve, but each offers its own reward — a moment to pause and take in the sheer beauty of the surrounding peaks before pressing on to the ultimate summit.

What People Are Saying

"The terrain is absolutely breathtaking, with stunning views of snow-capped peaks, the Ten Mile Range, and the Continental Divide. Challenging but so worth it."

 

Peru Creek Trail

Step back in time while soaking in Colorado’s natural beauty on the Peru Creek Trail. Just 4.6 miles from Keystone along Montezuma Road, this 6-mile out-and-back trail meanders gently alongside Peru Creek, offering an easy, family-friendly hike through lush alpine scenery.

The trail is peppered with historic mining sites, giving hikers a glimpse into the region’s storied past. Whether you're exploring the remnants of old mining operations or simply enjoying the peaceful flow of the creek, the Peru Creek Trail provides a perfect blend of history and natural beauty.

The trail's gentle grade makes it accessible for hikers of all ages and fitness levels, making it a popular choice for families and casual hikers alike.

What People Are Saying

"The trail offers beautiful scenery and fascinating glimpses into the region’s mining past."

 

Keystone CO Summer: Sky-High Adventures

Scenic Gondola Rides

Gliding above the alpine beauty aboard the River Run Gondola is one of the top things to do in Keystone CO during the summer. The enclosed 8-passenger cabin whisks you from the lively River Run Village at 9,280 feet to the summit of Dercum Mountain at 11,640 feet. The 11-minute journey is nothing short of spectacular, with panoramic 360-degree views that stretch across Lake Dillon, the Continental Divide, and the rugged Ten Mile Range.

As the gondola ascends, the landscape transforms beneath you, offering stunning vistas of the surrounding mountains and valleys. The smooth ride provides ample opportunities to snap photos, soak in the scenery, and marvel at the natural beauty that Keystone is renowned for. At the summit, you can explore mountain-top dining options, take part in seasonal activities like hiking trails or snow tubing, and simply relax while enjoying the elevated views.

The gondola operates year-round, ensuring that you can enjoy its breathtaking views no matter when you visit.

What People Are Saying

"The views get better and better as you go, and the climb becomes even more exciting as you reach higher altitudes. A must-do in Keystone!"

 

Aerial Adventure Park

Test your limits at the Aerial Adventure Park, located in Idaho Springs, just 45 minutes from Keystone. This exhilarating challenge course is perfect for those who crave high-flying adventures and physical challenges. With over 60 obstacles, including bridges, platforms, and climbing elements, the park offers something for everyone, whether you're a beginner or a seasoned adventurer.

The Aerial Adventure Park features three distinct difficulty levels: Copper (easy), Silver (intermediate), and Gold (advanced), ensuring that visitors can choose a course that matches their skill and confidence levels. Each course is thoughtfully designed to provide a balance of fun and challenge, encouraging participants to push their boundaries while ensuring safety and enjoyment.

Safety is a top priority at the park, with a comprehensive harness system in place and professional guides overseeing the activities. These guides offer tips and encouragement, helping you navigate the obstacles and maximize your experience. Completing the course typically takes 2-3 hours, providing ample time to conquer the challenges and relish the sense of accomplishment that comes with it.

What People Are Saying

"The elements in each course offer a fantastic variety of challenges that make the experience unforgettable. The safety measures and knowledgeable guides are top-notch, ensuring a fun and secure adventure."

 

Summer in Keystone: Fact Sheet

Peak Summer Months

• Best weather:  July and August

• Summer season: Late June through Labor Day

Temperature Range

• Average summer high (July): 75°F (24°C)

• Typical range: 65°F to 86°F

• Conditions: Pleasant daytime temperatures with cool, crisp evenings

Precipitation

• Summer conditions: Afternoon thunderstorms are common, so plan activities accordingly

Sunshine & Clear Days

• Sunny days per year: 245

• Most reliable weather conditions: July and August

Heads Up! How to Enjoy Keystone’s Adventures Responsibly

While these activities are thrilling and offer unforgettable experiences, some come with inherent risks. It’s important to understand your skill level, follow all safety guidelines provided by professionals, and use the recommended equipment.

• Assess Your Skills: Choose activities that match your experience and fitness level. Don’t push beyond your limits.

• Follow Instructions: Always listen to guides and instructors, and adhere to all safety protocols.

• Use Proper Gear: Ensure you have the right equipment for each activity, and that it’s in good condition.

• Stay Informed: Check weather forecasts and trail conditions before heading out. Be prepared for sudden changes in weather.

• Buddy System: Whenever possible, explore with a friend or group to enhance safety.

• Hydrate and Protect: Drink plenty of water, wear sunscreen, and dress in layers to accommodate varying temperatures.

  

How can you make your trip to Keystone, CO even better?

While in the Rockies, it's a great idea to stay in style with the breathtaking backdrop of the Rocky Mountains. At Great Western Lodging, we offer a superior selection of luxury properties, ski-in/ski-out options, and downtown lodgings, some of which are pet-friendly.

Whether in Breck or Keystone, if you stay in one of our properties, we guarantee you'll have nothing less than a 5-star experience. Happy travels!