Deerfield Lake Loop Trail #40L
Deerfield Lake Loop Trail #40L
3.2
(5)
87
riders
01:47
18.7km
300m
Mountain biking
Mountain bike the moderate 11.6-mile Deerfield Lake Loop Trail #40L in Black Hills National Forest, featuring lake views and 989 feet of gai
Last updated: February 26, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
Black Hills National Forest
Waypoints
Start point
Parking
Get Directions
146 m
Highlight • Viewpoint
Tip by
18.7 km
End point
Parking
Way Types & Surfaces
Way Types
18.3 km
288 m
118 m
< 100 m
Surfaces
18.3 km
322 m
118 m
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Elevation
Highest point (1,910 m)
Lowest point (1,770 m)
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Weather
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Today
Friday 8 May
15°C
2°C
17 %
Additional weather tips
Max wind speed: 22.0 km/h
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This route was planned by komoot.
This trail is rated as moderate for mountain biking. While it offers an enjoyable ride, some sections may present challenges for less experienced riders due to terrain or elevation changes. It's generally considered suitable for intermediate mountain bikers.
On average, mountain bikers can expect to complete the loop in approximately 1 hour and 47 minutes. This duration can vary based on your fitness level, pace, and how often you stop to enjoy the scenery.
The trail primarily follows the shores of Deerfield Lake, offering a mix of surfaces typical for forest trails. Expect some rolling hills, dirt paths, and potentially some rocky or rooty sections, especially given its moderate difficulty rating.
Yes, one prominent highlight along the route is the Sunset View of Deerfield Lake, which offers stunning vistas of the lake, especially during the evening hours.
Yes, the route extensively follows the official Deerfield Trail for its entire length. It also incorporates significant sections of the Deerfield Lake Loop trail and smaller portions of Dutchman Road.
The best time to ride is typically from late spring through early fall (May to October) when the weather is mild and the trail is free of snow and ice. Always check local conditions before heading out, especially in shoulder seasons.
Yes, dogs are generally welcome on trails within the Black Hills National Forest. However, they must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all trail users. Please remember to pack out any waste.
The Deerfield Lake Loop Trail #40L is located within the Black Hills National Forest. Generally, there are no specific permits required for day-use mountain biking on most trails in the National Forest. However, always check the official Black Hills National Forest website for any current regulations or fee requirements, especially if you plan to camp or use developed recreation sites.
Parking is available at various points around Deerfield Lake. The most common access points are near the campgrounds or day-use areas surrounding the lake. Look for designated parking lots that provide direct access to the trail system.
Given the moderate difficulty and potential for varied terrain, it's recommended to wear appropriate mountain biking gear, including a helmet, gloves, and comfortable clothing. Bring plenty of water, snacks, a basic bike repair kit, and a map or GPS device. Sunscreen and insect repellent are also advisable.
While the trail is rated moderate, its length and some elevation changes might be challenging for very young or inexperienced child riders. Families with older children who have some mountain biking experience may find it enjoyable. Consider the fitness and skill level of your group before attempting the full loop.