Best natural monuments in Larimer County include a diverse range of landscapes, from towering mountain peaks and alpine lakes to expansive grasslands and crucial wildlife habitats. This region in Colorado offers numerous natural attractions and open spaces, providing varied recreational opportunities. Larimer County encompasses over 56,000 acres of conserved land, contributing to its rich biodiversity and offering a wide array of outdoor activities. These areas feature majestic mountain forests, vast meadows, and rugged plateaus.
Last updated: May 29, 2026
Highlight • Lake
Tip by
Highlight • Waterfall
Tip by
Sign up now to discover places like this
Get recommendations on the best single tracks, peaks, & plenty of other exciting outdoor places.
Sign up for free
Highlight • Natural Monument
Translated by Google •
Tip by
Highlight • Summit
Tip by
Highlight • Lake
Tip by
Highlight • Lake
Translated by Google •
Tip by
Highlight • Lake
Tip by
Highlight • Lake
Translated by Google •
Tip by
Highlight • Summit
Tip by
Highlight (Segment) • Trail
Tip by
Sign up for free to discover even more natural monuments in Larimer County.
Sign up for free
Already have an account?
Start today with a free account
Your next adventure awaits.
Login or Signup
Popular around Larimer County
A scenic hike in the eastern part of Rocky Mountains National Park, passing several lakes, including The Loch, Lake Haiyaha, Dream Lake, Nymph Lake, and Bear Lake. After about 3 kilometers on the Glacier Gorge Trail, you first pass the 9-meter-high Alberta Falls. Continuing uphill through the autumn-colored forest, you pass numerous viewpoints and reach the picturesque "The Loch," framed by a majestic mountain backdrop with occasional snowcapped peaks.
0
0
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.
1
0
A scenic route with beautifully lined paths lined with birch and aspen trees. Along partially rocky paths, it passes numerous lakes. These are framed by majestic mountains and offer a truly beautiful view.
0
0
Alberta Falls is a popular, scenic waterfall in Rocky Mountain National Park in Colorado. It is a 30-foot (9-meter) cascade of Glacier Creek, surrounded by boulders and aspen forests. A very popular and relatively easy hike from the Glacier Gorge Trailhead, it is approximately 1.6 miles (2.6 km) round trip with little elevation gain (approximately 49 meters). Due to its easy accessibility and beauty, it is a popular destination for families and hikers.
0
0
It is located at the end of the scenic Bear Lake Road, one of the most popular areas of Rocky Mountain National Park. It lies at an elevation of approximately 2,880 meters (9,450 feet), surrounded by forest, offering impressive views of the majestic peaks of Hallett Peak. A very easy, paved Nature Trail (loop) leads around the lake in just about 0.6 miles (about 1 km).
1
0
The narrow lake is picturesquely situated at the foot of the majestic Hallett Peak and is known for its reflective water surfaces, which reflect the surrounding steep cliffs and peaks. It lies at an elevation of approximately 3,019 meters (9,905 feet).
0
0
Mountain lake with many beautiful photo opportunities.
1
0
Larimer County is home to several highly-regarded natural monuments. Among the most popular are Rocky Mountain National Park, known for its majestic mountains and alpine lakes, and Horsetooth Reservoir, a favorite for water recreation and trails. Specific highlights that visitors frequently enjoy include Emerald Lake, Dream Lake, and Bear Lake, all offering stunning mountain panoramas and accessible trails.
Yes, several natural monuments in Larimer County are great for families. Bear Lake is particularly family-friendly, with an easy path circling the glacial lake. Sprague Lake also offers an accessible hike with fantastic views, suitable for all ages and even wheelchairs. Rocky Mountain National Park, Lory State Park, and Horsetooth Reservoir provide diverse, family-friendly activities from easy walks to picnicking spots.
Larimer County offers numerous breathtaking viewpoints. In Rocky Mountain National Park, the Trail Ridge Road provides panoramic alpine tundra views. Specific highlights like Emerald Lake, Dream Lake, and Sprague Lake offer stunning reflections and mountain backdrops. For a challenging hike with rewarding vistas, Horsetooth Rock and Twin Sisters Peak provide magnificent views of the surrounding landscape.
Larimer County's diverse ecosystems support a rich variety of wildlife. Rocky Mountain National Park is famous for elk, bighorn sheep, and marmots. Fossil Creek Reservoir Regional Open Space is recognized as an Important Bird Area, making it excellent for birdwatching. The Pawnee National Grasslands also attract large groups of birders, offering opportunities to spot various prairie species.
Yes, some natural monuments in Larimer County offer accessible options. Bear Lake features a path that leads all around the glacial lake, making it easily accessible. Sprague Lake is also noted for its handicap-accessible hike, providing fantastic views of the continental divide.
Larimer County offers a wide array of hiking trails. For waterfall enthusiasts, consider routes like Sky Pond, The Loch, and Timberline Falls via Glacier Gorge Loop, or the Glacier Gorge, Lake Haiyaha, and Emerald Lake Loop. You can find more details on these and other trails in the Waterfall hikes in Larimer County guide. Lory State Park also boasts over 26 miles of scenic trails, including the challenging Arthur's Rock trail.
Beyond hiking, Larimer County provides numerous outdoor activities. Horsetooth Reservoir is excellent for water recreation and camping. Lory State Park is popular for mountain biking, horseback riding, and trail running. For those interested in cycling, the Gravel biking in Larimer County guide features routes like the Old Fall River Road & Trail Ridge Road Gravel loop. Running enthusiasts can explore options like the Ginny and Valley Loop Trail, detailed in the Running Trails in Larimer County guide.
Larimer County's natural monuments showcase diverse features. You'll find majestic mountain forests with aspens and pines, vast meadows, and rugged, treeless plateaus in Rocky Mountain National Park. The region is also known for numerous alpine lakes such as Emerald Lake, Dream Lake, and Bear Lake, as well as impressive waterfalls like Alberta Falls. Expansive grasslands characterize the Pawnee National Grasslands, while Fossil Creek Reservoir Regional Open Space features grasslands, riparian zones, and water habitats.
The best time to visit Larimer County's natural monuments largely depends on the activities you plan. Summer and early fall generally offer the most accessible conditions for hiking and exploring high-altitude areas like Rocky Mountain National Park, where Trail Ridge Road is typically open from late May to mid-October. Spring brings wildflowers and active wildlife, while winter offers opportunities for snowshoeing and cross-country skiing in lower elevations, though some roads and trails may be closed.
Yes, several significant natural monuments are conveniently located near Fort Collins. Horsetooth Reservoir is situated just west of the city, offering extensive trails and water activities. Lory State Park is also west of Fort Collins, nestled between Horsetooth Reservoir and the foothills, providing diverse trail options. Fossil Creek Reservoir Regional Open Space is another unique natural area within easy reach, known for its birdwatching opportunities.
Visitors consistently praise the breathtaking panoramic views, abundant wildlife viewing opportunities, and the sheer diversity of trails for all skill levels. Many highlight the serene beauty of alpine lakes like Emerald Lake and Dream Lake, and the accessibility of spots like Bear Lake. The opportunity to experience diverse ecosystems, from dramatic mountain vistas to peaceful grasslands, is a major draw.


Find even more amazing natural monuments in Larimer County by checking out the top Highlights region by region:
Extend your search for the best caves by checking out these guides of the top ones in Larimer County: