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5.1 miles
Distance
1,913 ft
Climb
04:25:34
Avg time
1,913 ft
Altitude change
5,482 ft
Altitude min
7,395 ft
Altitude max
5,482 ft
Altitude start
7,395 ft
Altitude end
7.1%
Grade
-5.5%
Grade max
37.2%
Grade min
5 miles
Distance climb
266 ft
Distance down
285 ft
Distance flat
04:25:34
Avg time
Second Fork Details
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Activities
- Mountain Bike
- E-Bike
- Horse
- Hike
- Trail Running
- Dirtbike/Moto
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Riding AreaMagic Mountain
Twin Falls, Idaho -
Ref Number#236
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AKA7236
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Difficulty Rating
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Voted DifficultyBlack Diamond (1 vote)
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Local Popularity75 in Mountain Biking [+]
- 5 in E-Biking
- 5 in Trail Running
- 5 in Hiking
- 95 in Dirtbiking
- 5 in Horseback
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Global Ranking#142038 in Mountain Biking [+]
- #223529 in E-Biking
- #375186 in Trail Running
- #367311 in Hiking
- #3932 in Dirtbiking
- #21221 in Horseback
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State Ranking#1,259 in Mountain Biking · Idaho [+]
- #1,360 in E-Biking
- #2,950 in Trail Running
- #3,040 in Hiking
- #213 in Dirtbiking
- #698 in Horseback
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Trail TypeSingletrack
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Bike TypeAM
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DirectionBoth DirectionsPopular In Reverse
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Climb DifficultyBlack Diamond
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Physical RatingHard
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Trail VisibilityAlways easy to follow
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Dogs AllowedYes
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eBike AllowedYes up to Class 1
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Land OwnerUSFS
No community description for Second Fork trail has been added yet!
AI Generated Description
Second Fork is a 5 mile popular black diamond difficulty singletrack trail located near Twin Falls Idaho. This multi-use trail can be used both directions and has a hard overall physical rating with a 1,913 ft black diamond climb. Trail visibility is always easy to follow. On average it takes 4 hours25 minutes to complete this trail.
Trail Supporters
USFSLand Manager
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
- 0 rides
6 Months
- 0 rides
All
- 3 rides
- Last: May 30, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Second Fork Trail Reports
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3D
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
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- < 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
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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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US Cell Coverage
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Activity Recordings
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Activity Recordings
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Winter Trails
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BC Backroad Status
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Directions to second-fork trailhead
(42.234850, -114.231510)
Photos
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Videos
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Trail Products
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Idaho's Mountain Bike License PlateTrail Pass
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Nearby Trails
- Wahlstrom Hollow 1 mile
- East Line Spring West 1 mile
- Third Fork 1 mile
- Harrington North 2 miles
- Third Fork Trailhead 2 miles
- By jandashetler
& contributors - #54269 - 1,391 views
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