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10.2 miles
Distance
4,540 ft
Climb
-25 ft
Descent
02:23:30
Avg time
4,518 ft
Altitude change
900 ft
Altitude min
5,417 ft
Altitude max
900 ft
Altitude start
5,417 ft
Altitude end
8.4%
Grade
-8%
Grade max
47.3%
Grade min
10 miles
Distance climb
968 ft
Distance down
1,476 ft
Distance flat
02:23:30
Avg time
Nate Harrison Grade Details
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Activities
- Mountain Bike
- E-Bike
- Gravel Bike
- Hike
- Trail Running
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Riding AreaPalomar Mountain State Park
Palomar Mountain, California -
Difficulty Rating
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Local Popularity75 in Mountain Biking [+]
- 5 in E-Biking
- 5 in Trail Running
- 5 in Hiking
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Trail TypeDirt/Gravel Road
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Bike TypeXC, Gravel
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DirectionBoth Directions
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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 3
Nate Harrison Grade Road is paved at the bottom and transitions to dirt about 1/4th way up. A couple of steep section have been paved before but are eroding down. This is more of a gravel route than an MTB route. It is could when you want to work on your climbing. It is is a very zippy descent.
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
- 4 rides
- Last: Jul 17, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
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Nate Harrison Grade Trail Reports
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Directions to nate-harrison-grade trailhead
(33.315850, -116.990600)
Photos
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Nearby Trails
- Boucher Trail 7 miles
- Canfield Road 12 miles
- Shuttle Road (restricted Access) 14 miles
- Bobcat Trail 14 miles
- Hidden Spring 14 miles
Palomar Mountain State Park
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Frequently Asked Questions About Nate Harrison Grade
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Where is Nate Harrison Grade located?
Nate Harrison Grade is located in Palomar Mountain State Park, Palomar Mountain, California, United States. It is part of the Palomar Mountain State Park trail network. The trailhead is located at coordinates 33.31585, -116.9906.
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What is the elevation gain for Nate Harrison Grade?
Nate Harrison Grade has 4,540 ft of elevation gain. The trail has 25 ft of elevation descent. The elevation ranges from 900 ft to 5,417 ft.
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Is Nate Harrison Grade a point to point trail?
Nate Harrison Grade is not a point to point trail. The direction is Both Directions. The trail type is dirt/gravel road.
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How long is Nate Harrison Grade?
Nate Harrison Grade is 10.2 miles long. The trail type is dirt/gravel road.
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