4.8
(3844)
7,823
riders
02:06
33.1km
360m
Cycling
Cycle the moderate 20.6-mile Hell's Half Acre loop in Big River Management Area, gaining 1173 feet over an estimated 2 hours and 6 minutes.
Last updated: February 26, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Big River Management Area
Waypoints
Start point
Parking
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9.79 km
Highlight • Historical Site
Tip by
24.1 km
Highlight • Forest
Tip by
33.1 km
End point
Parking
Way Types & Surfaces
Way Types
27.9 km
4.49 km
314 m
295 m
< 100 m
Surfaces
16.4 km
16.0 km
767 m
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Elevation
Highest point (170 m)
Lowest point (80 m)
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Weather
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Saturday 4 July
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This route was planned by komoot.
Based on available information, the Hell's Half Acre area is predominantly characterized by rugged, sharp lava rock terrain, which is generally not suitable for touring bicycles. While some very short, paved loops exist near rest areas, they do not offer a touring cycling experience and the more extensive wilderness trails would likely damage tires and equipment.
The Hell's Half Acre area is known for its unique volcanic landscape, featuring sharp, dark, and rugged lava rock formations. This includes jagged fragmentations, lava caves, and wrinkly pahoehoe formations. Wilderness trails are uneven and challenging, making them difficult even for hikers. The short paved sections near rest areas offer a smoother surface but are very brief.
The landscape offers a unique, almost 'alien' beauty, dominated by vast, contorted lava formations. You'll see sagebrush and other resilient vegetation. In spring and early summer, wildflowers like Evening Primrose, Indian Paintbrush, and Prickly Pear Cactus add splashes of color. The area is also home to wildlife such as mule deer, antelope, rabbits, coyotes, foxes, and various birds of prey. Informational signs provide details about the geology and wildlife.
Spring and early summer are particularly scenic due to wildflowers blooming amidst the lava landscape. However, given the challenging terrain for cycling, any visit should prioritize comfortable weather for exploration on foot if you wish to venture beyond the paved rest area loops. Always check local conditions before heading out.
The primary landmark is the extensive volcanic landscape itself, known as Hell's Half Acre, a portion of which is a National Natural Landmark. The route also passes through the Big River Management Area. While there are no specific cycling-friendly viewpoints identified for this particular route, the entire area offers unique geological formations.
Yes, the route intersects with several named paths, including sections of Lego, Bottle, New London Turnpike, Toasters, Run In, DNA, Foster's Folly, Mini Maze?, Sweet Sawmill Road, Teeter Totter, Water Tank Trail, and upper spider.
While specific regulations for this exact cycling route are not detailed, generally, dogs are permitted in many parts of the Hell's Half Acre area, especially on wilderness trails. However, due to the extremely sharp and rugged lava rock, it is highly recommended to keep dogs on a leash and consider their paw safety, as the terrain can easily cause injury. Always check current local regulations for the Big River Management Area before your visit.
For the Big River Management Area, there are typically no entrance fees required for general access. However, specific activities or facilities might require permits. It's always best to check the official Rhode Island Department of Environmental Management (RIDEM) website for the most up-to-date information on any required permits or regulations before your visit.
While specific parking for a 'Hell's Half Acre loop Davisville cycling' route isn't detailed, general access to the Hell's Half Acre area in Idaho often involves parking near the I-15 rest areas, which provide access to short paved loops. For the Big River Management Area in Rhode Island, various access points and parking lots are available. Consult local maps or the RIDEM website for designated parking areas.
Given the rugged nature of the terrain, even for short walks, sturdy closed-toe shoes are essential. If venturing onto wilderness trails, be prepared for uneven ground and potential falls. Carry plenty of water, sun protection, and a map. For any cycling, be aware that the terrain is highly unsuitable for touring bicycles and could cause damage.
The Hell's Half Acre area itself, with its rugged lava fields, is generally not suitable for family-friendly touring cycling. The very short paved loops near rest areas are easy but too brief for a cycling outing. For family-friendly cycling, it would be advisable to look for dedicated paved bike paths or rail trails in the broader Davisville area, which would offer a safer and more enjoyable experience than the challenging terrain of Hell's Half Acre.
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