4.3
(67)
1,595
riders
55
rides
Mountain biking around Altona offers access to a rugged, forested environment within the Adirondack Park boundary. The region is characterized by diverse natural features, including sections along the Great Chazy River and the Flat Rock State Forest, which features multiple-use trails. These natural features Altona trails provide varied terrain for mountain bikers, ranging from forested paths to more open areas. The Altona mountain biking terrain includes both gentle and challenging ascents, catering to different skill levels.
Last updated: October 1, 2026
3.9
(7)
23
riders
52.0km
05:07
1,190m
1,190m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
18
riders
4.03km
00:23
60m
60m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

83
riders
10.6km
01:22
470m
470m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.3
(6)
50
riders
34.0km
02:56
550m
550m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.0
(2)
31
riders
5.98km
00:32
70m
70m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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This overlook offers gorgeous views of the surrounding hills to the east and west. It's also quite rocky, so be ready for some technical riding coming and going.
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The Lefthand Trailhead is the main access point for a popular system of mountain biking trails on the eastern end of Lefthand Canyon. More of a large pullout than a true trailhead with a parking lot, there are no bathrooms, picnic area, or water stations here. There are restroom facilities just a little down the road east of here at Buckingham Park if you need them.
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Overland Loop Trail is a smooth flowy cross-country trail that weaves through and around pine trees with little tech. This is an ideal place for new riders.
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The Lefthand Trailhead is the main access point for a popular system of hiking and mountain biking trails on the eastern end of Lefthand Canyon. More of a large pullout than a true trailhead with a parking lot, there are no bathrooms, picnic area, or water stations here. There are restroom facilities just a little down the road east of here at Buckingham Park if you need them.
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The Corral Trailhead is right off of Lefthand Canyon Drive and is the southernmost trailhead and access point for Heil Valley Ranch. Although it is not the biggest trailhead and parking area (there are 19 parking spots, 4 horse trailer and/or bus spots, a restroom, and a picnic table), right next to the trailhead is an old corral left over from when this site was a working ranch. This is a fun place to explore and get a glimpse into the ranching history of Colorado.
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This loop at the top of Hall Ranch is excellent for beginners and intermediate riders. The climbing is mostly easy and the descent is fun and fast. The loop can be ridden in either direction.
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This trail starts at the main Hall Ranch parking lot und leads all the way up to the junction with the Antelope trail. You can expect a great technical climb with many rock features and grippy sandstone ledges. And in case you are wondering: Yes, the trail can also be ridden in the other direction.
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There are over 50 mountain bike trails around Altona, offering a wide range of options for different skill levels. You'll find 22 easy routes, 20 moderate trails, and 14 challenging paths to explore.
The mountain biking terrain in Altona is characterized by a rugged, forested environment, often within the Adirondack Park boundary. You'll encounter forested paths, varied elevation changes, and multiple-use trails through state forest areas like Flat Rock State Forest. Expect a mix of gentle and challenging ascents and descents.
Yes, Altona offers several easy mountain bike trails perfect for beginners or those looking for a relaxed ride. An example is the Mountainbike loop from Altona, which is 3.1 miles (5.1 km) long and leads through local woodlands, typically taking less than 30 minutes to complete.
Absolutely. For experienced mountain bikers seeking a challenge, the area features difficult routes with significant elevation gains. The Heil, Hall, and Picture Rock Loop is a notable example, spanning 32.3 miles (52.0 km) with over 1100 meters of ascent through varied forest landscapes.
Mountain biking in Altona offers access to diverse natural features. You can ride along sections of the Great Chazy River and explore the Flat Rock State Forest, known for its unique jack pine sandstone pavement barrens habitat. Additionally, you might encounter highlights such as Cottonwood Trail or Lagerman Agricultural Preserve.
Yes, many of the mountain bike trails around Altona are designed as loops, allowing you to start and end at the same point. For instance, the Mountainbike loop from Heil Ranch is a popular moderate 12.8-mile (20.6 km) circular path through forested terrain.
The trails in Altona are highly rated by the komoot community, with an average score of 4.5 stars from over 40 reviews. Riders often praise the varied terrain, the beautiful forested paths, and the options available for different ability levels, from easy loops to more challenging climbs.
Yes, Altona offers family-friendly options, particularly on its easier trails. Routes like the Overland Loop Trail are relatively short and have minimal elevation gain, making them suitable for families with children or those looking for a less strenuous ride.
Many trails in state forests and multi-use areas typically allow dogs, often requiring them to be on a leash. However, specific regulations can vary by trail or park section. It's always best to check local signage or the Flat Rock State Forest guidelines for the most current information regarding pets on trails.
The best time for mountain biking in Altona is generally during the warmer months, from late spring through early autumn, when trails are dry and clear of snow. While some multi-use trails may be accessible in winter for snowshoeing or cross-country skiing, dedicated mountain biking is best enjoyed outside of heavy snow seasons.
Yes, the region around Altona features several lakes that can be explored. Notable lakes include Boulder Reservoir, Twin Lakes, and Coot Lake Dock, offering scenic spots to visit before or after your ride.
While specific parking details vary by trailhead, areas like Flat Rock State Forest and other multi-use trail access points typically provide designated parking facilities for visitors. It's advisable to check the starting point of your chosen route for specific parking information.


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