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Larimer County

The 20 Most Amazing Peaks in Larimer County

Best mountain peaks in Larimer County are primarily located within the Rocky Mountain National Park, offering a diverse range of high-altitude experiences. This region is characterized by its prominent summits, challenging ascents, and extensive natural landscapes. The peaks provide varied terrain for outdoor enthusiasts, from well-maintained trails to technical climbing routes. Larimer County's mountains are a significant natural feature, drawing visitors seeking elevated viewpoints and rugged environments.

Best mountain peaks in Larimer County

  • The most popular mountain peaks is Deer…

Last updated: April 26, 2026

Longs Peak Trail

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Longs Peak Trail is a great hike for anyone for the first 6 miles. There is beautiful, diverse terrain, and it can be exposed with sweeping views. Be aware that …

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Rocky Mountain National Park

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Truly one of the most beautiful national parks. Note: Reservations are required in many seasons.

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Horsetooth Rock

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After scrambling up a series of short, but exposed feeling, ramps and ledges you reach the top of the iconic Horsetooth Rock. You get fantastic panoramic views from this long, …

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Twin Sisters Peak

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Straddling the border between Roosevelt National Forest and Rocky Mountain National Park, the Twin Sisters Peaks are a popular destination, accessible right from the Lily Lake Visitor Center. This spot …

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Deer Mountain Summit

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Deer mountain due to its isolated position within the rocky mountains offers magnificent 360° views of the area.

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Just before the summit of the Horsetooth Rock you leave the dirt trail through the thinning forest and head up the formation itself on bare rock. Although the scrambling is …

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Twin Owls

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The Twin Owls are prominent rock formations visible along most of the Lumpy Ridge Trail. As you loop around from this point, you can get a great close-up view of …

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awesome trail in the Brainard Rec Center. We did over 9 miles with over 1100 feet of elevation difference. I hope to do it more snow on the ground next time.

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Mount Chiquita Summit

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Located in the Mummy Range, this gradual grade and easy terrain Chiquita Mountain is manageable for novice adventurers and families with children alike.

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Crosier Mountain

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Crosier Mountain is 9,250 feet tall and especially in comparison to the peaks in the nearby Rocky Mountain National Park, incredibly dry, open, and arid. Crosier Mountain is accessible from …

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Popular around Larimer County

From the mountain peaks to the prairie – Rocky Mountains and Great Plains

The pristine beauty of the US National Parks

Hiking in Larimer County

MTB Trails in Larimer County

Cycling in Larimer County

Road Cycling Routes in Larimer County

Running Trails in Larimer County

Gravel biking in Larimer County

Other adventures in Larimer County

From the mountain peaks to the prairie – Rocky Mountains and Great Plains

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Sigrid
October 27, 2025, Rocky Mountain National Park

Rocky Mountain National Park (RMNP) in Colorado is one of the most famous and highest national parks in the USA. Longs Peak is the highest point at 4,345 meters. The landscape is characterized by mountain forests with aspens, pines, and expansive meadows, where elk are common. Dense coniferous forests and mountain lakes, as well as rugged, treeless plateaus with only low-growing plants, bighorn sheep, and marmots can also be found. A highlight is the Trail Ridge Road, the highest continuously paved mountain pass in North America, leading through the alpine tundra. The most popular hiking area, with its numerous lakes, is the Bear Lake Corridor. The park is open year-round, although many roads and trails are closed during the winter months due to snow or are only accessible with appropriate equipment. Due to its immense popularity, time-slot reservations are often required for access during peak season.

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Sigrid
October 22, 2025, 12,005-Foot Viewpoint

The Alpine Ridge Trail Overlook is a well-known but short hiking trail in Rocky Mountain National Park in Colorado, offering a unique alpine experience with spectacular panoramic views. The trail begins right at the Alpine Visitor Center, the highest visitor center in the entire U.S. National Park System. The entire trail is paved and includes approximately 225 steps, making the climb easier but quite strenuous due to the gradient and elevation. Because the Trail Ridge Road is closed during the winter months, the trail is only open seasonally, typically from late May/early June to mid/late October.

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Truly one of the most beautiful national parks. Note: Reservations are required in many seasons.

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dr.te
September 9, 2024, Mount Chiquita Summit

A summit with a 360° panoramic view!!! Many summits of the eastern Rocky Mountains National Park can be seen here, and Longs Peak, the "highest" in the park at 14,259 feet, is visible again and again. The path is never extremely steep, and is usually easy to walk. In the summit region, you do have to search a bit (cairns) and there is bouldering terrain. If you are not yet used to the altitude, you will notice it in your breathing rate... it is worth it: Warning: Access via off-road route, very few parking spaces, start early (at least around 8 a.m.)!

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Alex
August 21, 2024, Longs Peak Trail

Longs Peak Trail is a great hike for anyone for the first 6 miles. There is beautiful, diverse terrain, and it can be exposed with sweeping views. Be aware that after about 6 miles, the trail becomes a scramble and more technical before reaching the summit of Longs Peak.

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Jamie S.
August 8, 2024, Crosier Mountain

Crosier Mountain is 9,250 feet tall and especially in comparison to the peaks in the nearby Rocky Mountain National Park, incredibly dry, open, and arid and offers amazing panoramic views of the Twin Sisters Peaks and Longs Peak to the south in RMNP, Signal Mountain to the northwest, and the foothills and plains of Front Range to the east. The short spur trail up to the summit is quite steep and you might need to hike your bike for a few sections. Crosier Mountain is accessible from three different trails Garden Gate, Rainbow Trail/Gravel Pit, and Glen Haven, the trailheads of which are all located within about 8 miles of each other. They are all popular with hikers and horseback riders, and dogs are allowed on all of these trails.

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Jamie S.
August 8, 2024, Horsetooth Rock

Horsetooth Rock is an iconic landmark in the Fort Collins area. To get to the summit you must dismount your bike and complete a short scramble here up to the summit. Although the scrambling is relatively easy, it is a little exposed in places and there can sometimes be loose gravel over bare rock faces. Just move carefully, deliberately, and don't be afraid to slide on your butt on the way down! After scrambling up, you get fantastic panoramic views from this long, exposed rock summit of the surrounding area. You get especially great views of Horsetooth Reservoir, which is named after the formation you're standing on. Since the summit is fairly large, even on crowded days you can usually find a spot to eat a snack and take photos away from other people. As you explore, just be aware of steep drop offs, large gaps between rocks, and loose gravel over bare rock.

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Will
October 20, 2023, Twin Owls

The Twin Owls are prominent rock formations visible along most of the Lumpy Ridge Trail. As you loop around from this point, you can get a great close-up view of them. There are also some rock climbing trails that scale up them at this point if you are prepared for climbing.

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Frequently Asked Questions

What are some of the most popular mountain peaks to visit in Larimer County?

Larimer County is home to many stunning peaks. Deer Mountain Summit is highly popular, offering magnificent 360° views due to its isolated position. Another favorite is Twin Sisters Peak, which provides amazing views of Longs Peak, Mount Meeker, and the Continental Divide. Longs Peak itself, at 14,259 feet, is an iconic landmark and the highest summit in Rocky Mountain National Park.

What kind of terrain and difficulty levels can I expect on Larimer County's mountain peaks?

The terrain varies significantly. You'll find everything from well-maintained trails to technical climbing routes. For instance, the Longs Peak Trail offers beautiful, diverse terrain for the first 6 miles, becoming a scramble and more technical afterward. Peaks like Hagues Peak and Ypsilon Mountain present rugged, high-alpine environments with blocky granite formations and challenging ascents, often involving snow and ice.

Are there any particularly challenging peaks for experienced hikers and climbers in Larimer County?

Yes, several peaks offer significant challenges. Longs Peak, especially its Keyhole Route, is a Class 3 climb with boulder scrambling and exposure. Mount Meeker, the second-highest summit in Rocky Mountain National Park, has routes considered technically more difficult than Longs Peak. Ypsilon Mountain is known for its 'Y-Couloirs' and Blitzen Ridge, offering scrambling and exposed climbing for experienced adventurers.

Which peaks offer the best panoramic views in Larimer County?

Many peaks provide breathtaking vistas. Deer Mountain Summit is renowned for its 360° views. Hagues Peak offers incredible panoramic views of the surrounding Front Range. Mount Alice provides sweeping 360-degree views of the surrounding mountains, including Longs Peak and Mount Meeker. Taylor Peak also boasts spectacular views, including the North Inlet valley and an aerial perspective of Lake Powell.

What unique natural features can be found among Larimer County's peaks?

Larimer County's peaks are rich in natural beauty. Hagues Peak features the Rowe Glacier to its north. Ypsilon Mountain is distinguished by its massive southeast cirque and the 'Y-Couloirs' that often involve snow and ice. Mount Alice is set in the Wild Basin area, known for its breathtaking meadows and pristine alpine lakes. Taylor Peak offers a dramatic 1,500-foot drop into the valley of Glass Lake and Sky Pond.

Are there family-friendly mountain peaks or trails in Larimer County?

While many peaks are challenging, there are more accessible options. For instance, Bear Lake offers family-friendly vantage points of Longs Peak without requiring a summit attempt. The initial sections of trails leading to larger peaks can also be enjoyed by families. For a dedicated family-friendly experience, consider exploring areas within Mount Chiquita Summit, which is categorized as family-friendly.

When is the best time to visit the mountain peaks in Larimer County?

The best time to visit is generally during the summer months, from late May/early June to mid/late October, when the weather is milder and trails are more accessible. This period avoids the heavy snow and extreme cold of winter, making high-alpine routes safer and more enjoyable. However, always check local weather forecasts and trail conditions before heading out.

What outdoor activities can I do near the mountain peaks in Larimer County?

Beyond peak bagging, Larimer County offers a wide range of outdoor activities. You can find numerous hiking trails, from easy to difficult, as detailed in the Hiking in Larimer County guide. There are also extensive running trails, including challenging routes like the Deer Mountain Loop Trail, which you can explore in the Running Trails in Larimer County guide. For cyclists, gravel biking routes like the Old Fall River Road & Trail Ridge Road Gravel loop are available, as highlighted in the Gravel biking in Larimer County guide.

Are there specific trails for hiking near these mountain peaks?

Absolutely. For hiking, you can explore routes like the Emerald Lake Trail (easy), Sky Pond, The Loch, and Timberline Falls via Glacier Gorge Loop (difficult), or the Nymph, Dream, Haiyaha, Mills, and Jewel Lake via Emerald Lake Trail (moderate). These are just a few examples of the diverse hiking opportunities available, and you can find more details in the Hiking in Larimer County guide.

What do visitors enjoy most about the mountain peaks in Larimer County?

Visitors consistently praise the stunning panoramic views and the sense of accomplishment from reaching the summits. The diverse terrain, from serene forest paths to challenging scrambles, offers something for every adventurer. Many appreciate the opportunity to explore less frequented areas, experiencing the rugged beauty and uncrowded high-alpine environments, as well as the iconic landmarks like Longs Peak.

Are there any less crowded mountain trails or peaks in Larimer County?

Yes, for those seeking a more secluded experience, Hagues Peak's remote location appeals to those looking for uncrowded high-alpine adventures. Mount Alice, located in the Wild Basin area, is also an excellent choice for venturing beyond the more popular trails into a less frequented, yet equally stunning, part of Rocky Mountain National Park.

What should I know about permits for hiking in Larimer County's mountain areas?

Many of Larimer County's prominent peaks are located within Rocky Mountain National Park. During peak season (typically late May to mid-October), a timed entry permit may be required to access certain areas of the park, in addition to the park entrance fee. It's crucial to check the official Rocky Mountain National Park website for the most current information on permit requirements and reservations before your visit.

Can I combine multiple summits into a single-day hike in Larimer County?

Yes, for experienced and well-prepared hikers, combining summits is possible. For example, Ypsilon Mountain can be part of the demanding 'CCY Route' (Mount Chapin, Mount Chiquita, and Ypsilon Mountain), a single-day triple-summit hike. Taylor Peak can also be combined with Powell Peak for an extended, full-day hiking adventure.

Most popular routes in Larimer County

Hiking in Larimer County

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