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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
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Trail Flow (Ridden Direction)
Trailforks scans users ridelogs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.
- > 96%
- > 90%
- > 80%
- > 70%
- > 50%
- < 50%
- bi-directional trail
- no data
Trail Last Ridden
Trailforks scans ridelogs 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
Colors indicate trail is missing specified detail.
- Description
- Photos
- Description & Photos
- Videos
Trail Popularity ?
Trailforks scans ridelogs 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 rides = more kinetic energy = warmer colors.
- most popular
- popular
- less popular
- not popular
ATV/ORV/OHV Filter
Max Vehicle Width
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US Cell Coverage
Legend
Radar Time
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Activity Recordings
Trailforks users anonymized public ridelogs from the past 6 months.
- mountain biking recent
- mountain biking (>6 month)
- hiking (1 year)
- moto (1 year)
Activity Recordings
Trailforks users anonymized public skilogs from the past 12 months.
- Downhill Ski
- Backcountry Ski
- Nordic Ski
- Snowmobile
Winter Trails
Warning
A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
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Missing Trails
Most Popular
Least Popular
Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
Jump Magnitude Heatmap
Heatmap of where riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
Trails Deemphasized
Trails are shown in grey.
Only show trails with NO bikes.
Save the current map location and zoom level as your default home location whenever this page is loaded.
SaveJackson State Demonstration Forest is where you will find almost all of our single track MTB routes on the Mendocino Coast. You can ride somewhere between 80 and 100 miles of single track trails winding through the redwoods. We have an excellent relationship with the local land managers, and many of our trails are part of the JSDF official trail network. Signage is sparse, so be sure to have your phone and online GPS map handy.
google parking directions Access Info:
The scales on road 500, and end-of-pavement (EOP) on 409, are the most popular spots to start rides. The Scales is at the intersection of roads 500 and 600, at the start of trail Ca Sil Xale Dah (formally Parallel). EOP is on road 409 at the intersection of Parallel Action and North Boundary Trail.
Links
Activities Click to view
- Mountain Bike
110 trails
- Hike
112 trails
- Trail Running
112 trails
Region Details
- 32
- 31
- 45
- 1
Region Status
Open as of Feb 28, 2025
Stats
- Avg Trail Rating
- Trails (view details)
- 109
- Trails Mountain Bike
- 113
- Trails E-Bike
- 26
- Trails Horse
- 26
- Trails Hike
- 112
- Trails Trail Running
- 112
- Total Distance
- 141 miles
- Total Descent
- 25,628 ft
- Total Vertical
- 1,021 ft
- Highest Trailhead
- 1,060 ft
- Reports
- 585
- Photos
- 173
- Ridden Counter
- 17,493
Popular Jackson Demonstration State Forest Trails
Mountain Bike Routes
| title | rating | distance |
|---|---|---|
| Mendo Primo | 19 miles | |
| Lindquist - Sweet Pea - Observatory Trail | 12 miles | |
| Shuttle - Manley Gulch, Marsh Creek, Boiler, Oh No, Endo | 7 miles | |
| Mendo Primo | 19 miles | |
| Jackson Demo Flow | 22 miles | |
| Endo Oh No Boiler DH + road back to Heartwood | 5 miles | |
| Mendo Primo AC | 19 miles | |
| Endo Ohno Boiler Plunge | 11 miles | |
| JDSF 500-Widowmaker loop | 9 miles | |
| Chuck Hensch/Sweetpea loop | 18 miles |
Photos of Jackson Demonstration State Forest Mountain Bike
trail: Pygmy Forest Reserve Loop
6 |
Aug 10, 2024 @ 12:10pm
Aug 10, 2024
trail: Rd 540
4 |
Aug 10, 2024 @ 12:09pm
Aug 10, 2024
trail: Mitchell Creek Drive
5 |
Aug 10, 2024 @ 12:08pm
Aug 10, 2024
trail: Rd 515
2 |
Aug 10, 2024 @ 12:08pm
Aug 10, 2024
trail: Wuss Hill (Rd 511)
16 |
Aug 10, 2024 @ 12:07pm
Aug 10, 2024
trail: Wuss Hill (Rd 511)
11 |
Aug 10, 2024 @ 12:07pm
Aug 10, 2024
trail: Gas Tank
79 |
Apr 14, 2021 @ 3:06pm
Apr 14, 2021
trail: Gas Tank
163 |
Apr 21, 2018 @ 3:18pm
Apr 21, 2018Videos of Jackson Demonstration State Forest Mountain Bike
trail: Boiler
125 |
Feb 26, 2022
trail: Motorcycle
4:17 |
389 |
Jun 18, 2015
trail: Observatory Trail
4:30 |
33 |
Nov 19, 2024 , Mendocino
trail: Sweet Pea
5:43 |
34 |
Nov 19, 2024 , Mendocino
trail: Sweet Pea
7:01 |
28 |
Nov 19, 2024 , Mendocino
trail: Sweet Pea
7:19 |
35 |
Oct 31, 2024 , Mendocino
trail: Lindquist Loops
6:33 |
31 |
Oct 31, 2024 , Mendocino
trail: Forest History Trail
3:22 |
34 |
Oct 26, 2024 , Mendocino
Recent Trail Reports
| status | trail | date | condition | info | user |
|---|---|---|---|---|---|
| Parallel Action Alternate | Feb 28, 2025 @ 10:51am Feb 28, 2025 | Ideal | pbmci | ||
| Parallel Action | Feb 28, 2025 @ 10:51am Feb 28, 2025 | Ideal | pbmci | ||
| Observatory Trail | Feb 28, 2025 @ 10:51am Feb 28, 2025 | Ideal | pbmci | ||
| Sweet Pea | Feb 28, 2025 @ 10:51am Feb 28, 2025 | Ideal | pbmci | ||
| 3 Post | Feb 25, 2025 @ 12:11pm Feb 25, 2025 | Wet | pbmci | ||
| Beer Joint | Feb 25, 2025 @ 12:11pm Feb 25, 2025 | Ideal | pbmci | ||
| TV (Rd 531) | Jan 18, 2025 @ 2:19pm Jan 18, 2025 | Unknown | tunaju1ce | ||
| Lindquist Loops | Aug 7, 2024 @ 11:18am Aug 7, 2024 | Ideal | steveP4iaMI | ||
| Rd 526 | Jul 20, 2024 @ 11:10am Jul 20, 2024 | Ideal | steveP4iaMI | ||
| Ride Thru Tree | Jul 20, 2024 @ 11:10am Jul 20, 2024 | Ideal | steveP4iaMI |
Activity Feed
| username | action | type | title | date |
|---|---|---|---|---|
| Anthony09 | wishlist | trail | activity #67568814 | Mar 11, 2025 @ 12:14am Mar 11, 2025 |
| aaronrezentes | wishlist | route | activity #67528413 | Mar 10, 2025 @ 8:48am Mar 10, 2025 |
| tfrasc | wishlist | route | activity #67284229 | Mar 6, 2025 @ 9:56am Mar 6, 2025 |
| Duffman81 | wishlist | trail | activity #67112136 | Mar 2, 2025 @ 11:19pm Mar 2, 2025 |
| pbmci | add | report | activity #66960085 and 3 more | Feb 28, 2025 @ 5:21pm Feb 28, 2025 |
Recent Comments
| username | type | title | comment | date |
|---|---|---|---|---|
| trail | We are working on a seasonal bridge for that... | Feb 14, 2025 @ 9:49am Feb 14, 2025 | ||
| trail | This trail has no bridge across the river at... | Feb 9, 2025 @ 10:15am Feb 9, 2025 | ||
| trail | This trail needs to get updated. Lindquist... | Feb 9, 2025 @ 10:14am Feb 9, 2025 | ||
| report | i | Sep 2, 2024 @ 2:22pm Sep 2, 2024 | ||
| trail | Fun ups n down trails with tight turns | Jul 27, 2024 @ 10:25pm Jul 27, 2024 |
Nearby Areas
| name | distance | ||||
|---|---|---|---|---|---|
| Van Damme State Park | 7 | 4.3 km | |||
| Russian Gulch State Park | 1 | 4.4 km | |||
| Mendocino Headlands State Park | 2 | 5 | 4.9 km | ||
| Point Cabrillo Light Station | 5.7 km | ||||
| Brooktrails Greenbelt | 15 | 9 | 4 | 19.1 km |
Local Badges
-
Completionist0 awarded
Activity Type Stats
| activitytype | trails | distance | descent | descent distance | total vertical | rating | global rank | state rank | photos | reports | routes | ridelogs |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mountain Bike | 110 | 141 miles | 25,627 ft | 68 miles | 1,020 ft | #562 | #299 | 168 | 606 | 10 | 7,810 | |
| E-Bike | 26 | 39 miles | 4,934 ft | 17 miles | 1,020 ft | 526 | 2 | 255 | ||||
| Horse | 26 | 40 miles | 4,888 ft | 17 miles | 1,020 ft | 168 | 3 | |||||
| Hike | 112 | 140 miles | 25,135 ft | 67 miles | 1,020 ft | #405 | #258 | 5 | 600 | 1 | 171 | |
| Trail Running | 112 | 140 miles | 25,135 ft | 67 miles | 1,020 ft | #408 | #256 | 601 | 1 | 66 |
- By brenthillier
NSMBA TRAILFORKS & contributors - Admins: MCC, UVTG, MCC
- #15629 - 23,220 views
- jackson demonstration state forest activity log | embed map of Jackson Demonstration State Forest mountain bike trails | jackson demonstration state forest mountain biking points of interest
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