more stats
3.7 miles
Distance
1,117 ft
Climb
-229 ft
Descent
00:36:10
Avg time
888 ft
Altitude change
78 ft
Altitude min
1,060 ft
Altitude max
78 ft
Altitude start
965 ft
Altitude end
4.6%
Grade
-41%
Grade max
58.1%
Grade min
3 miles
Distance climb
4,216 ft
Distance down
1,096 ft
Distance flat
00:36:10
Avg time

Rd 640 Details

  • Activities
    • Mountain Bike
    • E-Bike
    • Gravel Bike
    • Horse
    • Hike
    • Trail Running
  • Riding Area
    Jackson Demonstration State Forest
    Mendocino, California
  • Difficulty Rating
    Access Trail or Doubletrack Rate
  • Local Popularity
    40 in Mountain Biking [+]
    • 5 in E-Biking
    • 5 in Trail Running
    • 5 in Hiking
    • 5 in Horseback
  • Trail Type
    Dirt/Gravel Road
  • Bike Type
    Gravel
  • Direction
    Both Directions[+]
    Popular Direction Shown
    • Both Directions for Gravel Biking
  • Trail Visibility
    Always easy to follow
  • Dogs Allowed
    Yes
  • Ride in Rain
    Yes
  • Land Owner
    Jackson Demonstration State Forest
  • OSM Way
    #10287333

No community description for Rd 640 trail has been added yet!

AI Generated Description

Rd 640 is a 4 mile moderately popular dirt/gravel road trail located near Mendocino California. This multi-use trail can be used both directions. Trail visibility is always easy to follow. On average it takes 36 minutes to complete this trail.

Local Trail Association
Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 0 rides
  •  
6 Months
  • 6 rides
  • 15 miles avg distance
All
  • 17 rides
  • Last: Aug 4, 2026
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Rd 640 Trail Reports

statusdatedescription
Apr 15, 2023 @ 5:14am
Apr 15, 2023
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Status:
on Apr 15, 2023
Ideal
Avg: 4.13 (1 votes)
Your vote: 0

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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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  • > 96%
  • > 90%
  • > 80%
  • > 70%
  • > 50%
  • < 50%
  • bi-directional trail
  • no data
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  • < 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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  • Photos
  • Description & Photos
  • Videos
Trail Popularity ?
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Slope Aspect
Direction the slope faces
Flat N NE E SE S SW W NW
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        Directions to rd-640 trailhead (39.346660, -123.755310)

        Photos

        No photos have been added for Rd 640 yet, add a photo.

        Videos

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        Routes with this trail

        11
        Scales Gravel 25 Mile Loop
        25 miles • 2,962 ft • 7 • Loop •
        Medium-size all-gravel tour of the Caspar Creek and Marsh Creek watersheds and western Jackson...
        1
        Scales Gravel 14 Mile Loop
        14 miles • 1,527 ft • 3 • Loop •
        One of the easier all-gravel loops in Jackson Demonstration State Forest, and a great introduction to JDSF...

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        Nearby Trails

        Jackson Demonstration State Forest

        • By trafficfurnitur MCC & contributors
        • #607619 - 247 views
        This trails GPS track was originally sourced from OpenStreetMap and will always be available for download in OSM Format.

        Frequently Asked Questions About Rd 640

        ▼ Where is Rd 640 located?
        Rd 640 is located in Jackson Demonstration State Forest, Mendocino, California, United States. It is part of the Jackson Demonstration State Forest trail network. The trailhead is located at coordinates 39.34666, -123.75531.
        ▼ What is the elevation gain for Rd 640?
        Rd 640 has 1,117 ft of elevation gain. The trail has 229 ft of elevation descent. The elevation ranges from 78 ft to 1,060 ft.
        ▼ Is Rd 640 a point to point trail?
        Rd 640 is not a point to point trail. The direction is Both Directions. The trail type is dirt/gravel road.
        ▼ How long is Rd 640?
        Rd 640 is 3.7 miles long. The trail type is dirt/gravel road.
        ▼ Are dogs allowed on Rd 640?
        Yes, dogs are allowed on Rd 640. Please keep dogs on a leash where required and clean up after them.
        ▼ How do I access Rd 640? Where is the closest parking trailhead?
        The closest parking and trailhead locations to Rd 640 are: View all parking locations in the area.
        ▼ How long does it take to ride Rd 640?
        The estimated time to ride Rd 640 is approximately 36 minutes. The trail is 3.7 miles long. Actual times will vary based on fitness level, conditions, and pace.
        ▼ How busy is Rd 640?
        Rd 640 is a moderately popular trail. There have been 91 recorded activities on this trail. The trail has received 91 check-ins. View recent activity on this trail.

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