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3.9 miles
Distance
919 ft
Climb
-1,216 ft
Descent
00:49:36
Avg time
-296 ft
Altitude change
2,133 ft
Altitude min
2,624 ft
Altitude max
2,597 ft
Altitude start
2,301 ft
Altitude end
-1.454%
Grade
-29.439%
Grade max
38.607%
Grade min
2 miles
Distance climb
2 miles
Distance down
752 ft
Distance flat
00:49:36
Avg time
Duff Ranch Details
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Activities
- Mountain Bike
- Gravel Bike
- Adaptive Bike
- Hike
- Trail Running
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Riding AreaOat Hill Mine @ Robert Louis Stevenson park
Calistoga, California -
Difficulty Rating
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Voted DifficultyDouble Black Diamond (1 vote)
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Local Popularity40 in Mountain Biking [+]
- 5 in Trail Running
- 70 in Hiking
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Global Ranking
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Trail TypeDoubletrack
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Bike TypeAM, XC, Gravel, Adaptive MTB
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DirectionBoth Directions
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Climb DifficultyBlack Diamond
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Physical RatingHard
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Dogs AllowedYes
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Land OwnerNapa Land Trust
No community description for Duff Ranch trail has been added yet!
AI Generated Description
Duff Ranch is a 4 mile moderately popular blue difficulty doubletrack trail located near Calistoga California. This multi-use trail can be used both directions and has a hard overall physical rating with a 919 ft black diamond climb. On average it takes 49 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
- 0 rides
6 Months
- 1 rides
- 19 miles avg distance
All
- 6 rides
- Last: Jun 21, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Duff Ranch Trail Reports
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Trail Conditions
- Unknown
- Snow Groomed
- Snow Packed
- Snow Covered
- Snow Cover Partial
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- Icy
- Prevalent Mud
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Directions to duff-ranch trailhead
(38.613990, -122.503340)
Photos
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Routes with this trail
★ 4.5 • 26 miles • 5,268 ft • 6 • Out & Back •
A great place to practice some basic, all the way to advanced MTB skills, before races, or just to stay in...
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Nearby Trails
- Three Peaks Shortcut 1,529 ft
- Hoffnagle Loop 4 miles
- Hoffnagle Loop 4 miles
- Oat Hill Mine 4 miles
- Upper Oat Hill 4 miles
Oat Hill Mine @ Robert Louis Stevenson park
- By joepridmore & contributors
- #27000 - 2,878 views
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Frequently Asked Questions About Duff Ranch
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Where is Duff Ranch located?
Duff Ranch is located in Oat Hill Mine @ Robert Louis Stevenson park, Calistoga, California, United States. It is part of the Oat Hill Mine @ Robert Louis Stevenson park trail network. The trailhead is located at coordinates 38.61399, -122.50334.
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How hard is Duff Ranch?
Duff Ranch is rated as Blue difficulty. The physical rating is Hard. The average grade is 1.454%. The climb difficulty is rated Black Diamond.
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What is the elevation gain for Duff Ranch?
Duff Ranch has 919 ft of elevation gain. The trail has 1,216 ft of elevation descent. The elevation ranges from 2,133 ft to 2,624 ft.
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Is Duff Ranch a point to point trail?
Duff Ranch is not a point to point trail. The direction is Both Directions. The trail type is doubletrack.
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