4.8
(21)
450
hikers
27
hikes
Hikes in Alamosa County explore the high-altitude San Luis Valley, situated between the Sangre de Cristo and San Juan mountain ranges. The region is defined by its varied landscape, which includes the tallest sand dunes in North America within Great Sand Dunes National Park and Preserve. Trails range from paths along the Rio Grande to challenging ascents into the surrounding mountains, offering a wide spectrum of hiking experiences.
Last updated: April 26, 2026
9
hikers
17.2km
07:39
1,910m
680m
Hike Ellingwood Point and Blanca Peak, a difficult 10.7-mile route in the Sangre de Cristo Wilderness with 6279 feet of elevation gain.
5
hikers
5.31km
01:45
430m
10m
Hike the moderate 3.3-mile South Zapata Lake Trail in Rio Grande National Forest, gaining 1401 feet to a pristine alpine lake.

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5
hikers
728m
00:13
20m
30m
Embark on an easy hike along the Montville Nature Trail, a peaceful singletrack path that winds through montane woodlands. You will find yourself surrounded by piñon and ponderosa pine, with subalpine aspen adding to the serene atmosphere. The trail frequently follows the babbling waters of Mosca Creek, where you might even spot small cascading waterfalls, especially after recent rain. This easy route covers just 0.5 miles (0.7 km) with a gentle elevation gain of 71 feet (22 metres), taking only about 13 minutes to complete. From its highest point, you can enjoy impressive panoramas of the Great Sand Dunes and the Sangre de Cristo Mountains, offering a refreshing change from the park's open dune fields.
The Montville Nature Trail is accessible throughout the year, though you should be prepared for small snowdrifts if you visit during winter months. To enhance your experience, consider picking up an interpretive brochure. This guide is available at the trailhead or visitor center and corresponds to numbered posts along the route, providing valuable insights as you walk.
This trail offers a unique opportunity to learn about the historic community of Montville and the surrounding natural environment within Great Sand Dunes National Park and Preserve. It provides a distinct contrast to the park's more famous open dune fields, immersing you in a different ecosystem. The route's focus on both natural beauty and local history makes it a notable and enriching experience in the region.
2
hikers
761m
00:12
10m
10m
Embark on the Sand Sheet Loop, an easy hike that offers a quick immersion into the unique landscape of Great Sand Dunes National Park. This route spans 0.5 miles (0.8 km) with a gentle elevation gain of just 37 feet (11 metres), making it perfect for a 12-minute stroll. As you walk, you'll experience the vast sand sheet stretching out before you, framed by the distant, snow-capped peaks of the Sangre de Cristo Mountains. The trail is mostly open and flat, providing clear views and a sense of expansive space.
When planning your visit, be aware that the Sand Sheet Loop is largely exposed, offering very little shade. You should prepare for sun exposure, especially on warm days, by bringing water and wearing appropriate protection. The trail is considered universally accessible in many sections, making it a welcoming option for a wide range of visitors. This family-friendly route also permits leashed pets, so your furry companions can join the adventure.
This interpretive trail serves as an excellent introduction to the park's ecosystem and geological wonders. Along the way, you will find numerous signs that explain the local vegetation, the unique geology of the area, and the fascinating process of how the dunes formed. Strategically placed benches offer opportunities to pause, relax, and fully appreciate the panoramic views of the sand sheet and the majestic dunes.
2.16km
00:44
160m
0m
Embark on an easy hike up the High Dune Trail, a unique experience on soft, sandy terrain. This route covers 1.3 miles (2.2 km) with an elevation gain of 531 feet (162 metres), taking about 44 minutes to complete. You will cross Medano Creek, which flows seasonally, before beginning your ascent. From the summit of High Dune, you are rewarded with expansive views of the entire dunefield, framed by the dramatic Sangre de Cristo Mountains. The feeling of hiking on shifting sand offers a distinct adventure.
Access the High Dune Trail from the Dunes Trailhead. If you plan to hike during summer, be aware that sand temperatures can reach over 140°F (60°C). To avoid extreme heat and potential thunderstorms, it is best to start your hike early in the morning or late in the evening. Always check local conditions before heading out.
This trail offers a distinctive opportunity to explore the unique geology of Great Sand Dunes National Park and Preserve. The dunefield is a dynamic environment, constantly shaped by wind and water. Hiking here provides a direct connection to this natural phenomenon, allowing you to experience the vastness and ever-changing landscape up close. It stands out as a prime example of the park's remarkable natural features.
3.04km
00:46
0m
0m
Hike the easy 1.9-mile Rio Grande Nature Trail in Alamosa National Wildlife Refuge, offering wildlife views and a gentle 5-foot elevation ga
6.40km
01:36
0m
0m
This easy 4.0 miles (6.4 km) hiking loop in Blanca Vista Park offers a quick and accessible outdoor experience near Alamosa.
1.82km
00:30
40m
20m
Hike the easy 1.1-mile Dunes Overlook Trail for panoramic views of the Great Sand Dunes and Sangre de Cristo Mountains.
71.0km
22:58
2,630m
2,850m
Hike the difficult 44.1-mile Ellingwood Point via South Zapata Lake Trail, gaining 8645 feet through diverse Sangre de Cristo Wilderness ter
5.0
(2)
41
hikers
9.96km
03:53
420m
420m
Hike the moderate 6.2-mile Mosca Pass Trail in Great Sand Dunes National Park, gaining 1391 feet through diverse forests to scenic views.
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Popular around Alamosa County
The two tiers of the waterfall aren't visible from the outside, but can only be heard. It's essential to walk along the edge or in the riverbed for a while. Depending on the water level, this may be possible without any slippery feet. The stones aren't particularly slippery. This river path should be avoided in winter.
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The Great Sand Dunes cover an area of approximately 80 km² and, at a height of approximately 230 meters, are the highest dunes in North America. The sand dunes are approximately 12,000 years old and were formed by sand deposits from the Rio Grande and its tributaries. You should be in good physical shape to hike the dunes. The constant inclines in the loose sand can be very strenuous.
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Here you can park, picnic and use the toilet
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Really beautiful view of the parking lot.
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Definitely worth the hike. The waterfall is hidden between the rock walls, so water shoes are necessary.
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Yes, there are several options perfect for families. The Dunes Overlook Trail is a great choice, offering fantastic views of the Great Sand Dunes without a strenuous climb. For a different experience, the trails at Alamosa Riparian Park provide a peaceful walk along the river.
Dog-friendly trails are available, but policies vary. Pets are generally permitted on a leash in the main use areas of Great Sand Dunes National Park, but not in the backcountry. The Montville Nature Trail is a known pet-friendly loop. Always check the specific regulations for the trail you plan to hike, especially within the National Park and wilderness areas.
Absolutely. The most well-known is the hike to Zapata Falls, a stunning waterfall sheltered in a rocky crevasse. The trail itself is relatively short, and you can explore it via the Zapata Creek & benches – Zapata Falls loop. Be prepared to wade through the creek to see the main falls up close.
For experienced hikers seeking a serious challenge, Alamosa County provides access to some of Colorado's 14,000-foot peaks. The Ellingwood Point & Blanca Peak route is a demanding, high-altitude trek that rewards with incredible panoramic views from the Sangre de Cristo Wilderness.
Hiking in the Great Sand Dunes is a unique experience because there are no set trails on the dunes themselves. You can forge your own path across the 30-square-mile dunefield. A popular goal is High Dune for panoramic views. For a more structured trail experience within the park, consider the Wellington Ditch and Overlook Trails, which explore the grasslands and foothills at the edge of the dunes.
Yes, there are several loop trails. The Medano Creek – High Dune loop is a popular choice that combines hiking on the sand with views of the seasonal creek. Another option is the Buck Creek – Dunes Overlook loop, which offers a pleasant walk through the ecosystem surrounding the main dunefield.
The diverse ecosystems support a variety of wildlife. In the mountains and forests, you might spot mule deer, elk, and bighorn sheep. The San Luis Valley is a major birdwatching destination, especially during the Sandhill Crane migration. Keep an eye out for smaller critters like pikas and marmots at higher elevations.
Due to the high altitude and exposed terrain, preparation is key. Always bring more water than you think you'll need, along with high-energy snacks. Sun protection is crucial, so pack sunscreen, a hat, and sunglasses. Weather can change rapidly; dress in layers and include a waterproof jacket. If hiking on the dunes, be aware that the sand can get very hot in the summer.
Many popular trails start within Great Sand Dunes National Park and Preserve. The Zapata Falls Trailhead is another key access point, leading to both the falls and longer routes into the Sangre de Cristo Wilderness. For easier walks along the Rio Grande, you can use access points like the State Ave River Trail or the City of Alamosa North River Pavilion & Oxbow Trails.
There are over 20 designated hiking routes in the area. These range from short, easy walks along the Rio Grande to strenuous, multi-day treks into the high peaks of the Sangre de Cristo mountains, offering something for every skill level.
The region is highly regarded by the komoot community, with an average rating of 4.9 out of 5 stars. Hikers frequently praise the incredible landscape diversity, from the unique challenge of the sand dunes to the classic alpine beauty of the mountain trails.
Public transportation options to trailheads are extremely limited or non-existent in this rural area. Accessing most trailheads, especially those for Great Sand Dunes National Park and the surrounding wilderness areas, requires a private vehicle.


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