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633 ft
Distance
00:01:08
Avg time
48 ft
Altitude change
111 ft
Altitude min
159 ft
Altitude max
111 ft
Altitude start
161 ft
Altitude end
7.6%
Grade
-5.9%
Grade max
18.5%
Grade min
377 ft
Distance climb
26 ft
Distance down
223 ft
Distance flat
00:01:08
Avg time
Lost Tunnel Details
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Activities
- Mountain Bike
- Hike
- Trail Running
- Snowshoe
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Riding AreaFort Rock
Exeter, New Hampshire -
Difficulty Rating
-
Local Popularity70 in Mountain Biking [+]
- 100 in Trail Running
- 45 in Hiking
- 5 in Snowshoeing
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Global Ranking
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State Ranking#1,802 in Mountain Biking · New Hampshire [+]
- #1,096 in Trail Running
- #2,566 in Hiking
- #772 in Snowshoeing
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Trail TypeSingletrack
No community description for Lost Tunnel trail has been added yet!
AI Generated Description
Lost Tunnel is a 633 ft popular blue difficulty singletrack trail located near Exeter New Hampshire. This mountain bike primary trail. On average it takes 1 minutes to complete this trail.
Local Trail Association
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Please consider joining or donating to the local trail association to supportDonate to earn trail karma!
trail development & maintenance.
Traditionally Indigenous Territory
Recent Activity on Trail
Past Week
- 6 rides
- 10 miles average
6 Months
- 79 rides
- 10 miles avg distance
All
- 587 rides
- Last: Oct 23, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Lost Tunnel Trail Reports
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Trail Conditions
- Unknown
- Snow Groomed
- Snow Packed
- Snow Covered
- Snow Cover Partial
- Freeze/thaw Cycle
- Icy
- Prevalent Mud
- Wet
- Variable
- Ideal
- Dry
- Very Dry
Trail Flow (Ridden Direction)
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The colour categories are based on what percentage of users are riding a trail in its intended direction.
The colour categories are based on what percentage of users are riding a trail in its intended direction.
- > 96%
- > 90%
- > 80%
- > 70%
- > 50%
- < 50%
- bi-directional trail
- no data
Trail Last Used
Trailforks scans activity logs to determine the last time a trail was ridden.
- < 2 days
- < 1 week
- < 2 weeks
- < 1 month
- < 6 months
- > 6 months
Trail Ridden Direction
The intended direction a trail should be ridden.
- Downhill Only
- Downhill Primary
- Both Directions
- Uphill Primary
- Uphill Only
- One Direction
Contribute Details
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Trail Popularity ?
Trailforks scans activity logs to determine which trails are ridden the most in the last 9 months.
Trails are compared with nearby trails in the same city region with a possible 25 colour shades.
Think of this as a heatmap, more activities = more kinetic energy = warmer colors.
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- popular
- less popular
- not popular
ATV/ORV/OHV Filter
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Activity Recordings
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Activity Recordings
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Winter Trails
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Missing Trails
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Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
Jump Magnitude Heatmap
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BC Backroad Status
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Slope Aspect
Direction the slope faces
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Directions to lost-tunnel trailhead
(43.002510, -70.955000)
Photos
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Nearby Trails
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