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Trail Conditions
- Unknown
- Snow Groomed
- Snow Packed
- Snow Covered
- Freeze/thaw Cycle
- Icy
- Prevalent Mud
- Wet
- Variable
- Ideal
- Dry
- Very Dry
Trail 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%
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
ContributeDetails
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
inches
LEGEND
Trail Difficulties
Trail Report Status
- Access Road/Trail
- White
- Green
- Blue
- Black
- Double Black Diamond
Trail Report Status
- Clear / Green
- Minor Issue / Yellow
- Significant Issue / Amber
- Closed
- Land Owner Overlay
- Wilderness (typically no bikes in USA)
- BLM (public)
- USFS (Wildlife sanctuaries darker than usfs)
- State land
- Indigenous
- Military
Trail Conditions
- Unknown
- Snow Groomed
- Snow Packed
- Snow Covered
- Freeze/thaw Cycle
- Icy
- Prevalent Mud
- Wet
- Variable
- Ideal
- Dry
- Very Dry
- Map Markers
Trail Head
Photo
Directory Listing
Riding Area
TTF
Parking
Viewpoint
Information
Warning
Directions
Sight
Restrooms
eBike Charging Point
Water Fountain/Source
Gate
Trail Sign
Table or Bench
Ladder
Stairs
Bridge
Boardwalk
Camping
Cabin
Lodge
Bear Cache
Dock
Ranger Station
Summit
Other
No description for Big Rock / Lucas Valley has been added yet!
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Region Details
- 7
- 4
- 7
- 5
- 1
Activities
Region Status
Open as of Oct 12, 2020
Stats
- Avg Trail Rating
- Trails (view details)
- 24
- Trails Mountain Bike
- 24
- Trails Hike
- 24
- Trails Trail Running
- 24
- Total Distance
- 36 miles
- Total Descent
- 16,930 ft
- Total Vertical
- 1,748 ft
- Highest Trailhead
- 1,860 ft
- Reports
- 99
- Photos
- 107
- Ridden Counter
- 1,142
Popular Big Rock / Lucas Valley Mountain Biking Trails
Big Rock / Lucas Valley Mountain Bike Routes
| title | rating | distance |
|---|---|---|
| 13 mile Big Rock / Lucas Valley Ride | popular ridelog | 13 miles |
| 15 mile Big Rock / Lucas Valley Ride | popular ridelog | 15 miles |
| 10 mile Big Rock / Lucas Valley Ride | popular ridelog | 10 miles |
| 6 mile Big Rock / Lucas Valley Ride | popular ridelog | 6 miles |
| 10 mile Big Rock / Lucas Valley Ride | popular ridelog | 10 miles |
| 9 mile Big Rock / Lucas Valley Ride | popular ridelog | 9 miles |
| 5 mile Big Rock / Lucas Valley Ride | popular ridelog | 5 miles |
Recent Ridelog Activity in Region
Today
- 1 rides
- 80 miles avg distance
Yesterday
- 3 rides
- 8 miles avg distance
Past Week
- 30 rides
- 12 miles avg distance
Photos of Big Rock / Lucas Valley Mountain Bike
trail: 680
39 |
May 16, 2020 @ 10:24am
May 16, 2020
trail: 680
27 |
May 16, 2020 @ 10:24am
May 16, 2020
trail: 680
40 |
May 16, 2020 @ 10:24am
May 16, 2020
trail: Big Rock Trail
57 |
May 15, 2019 @ 8:58am
May 15, 2019Videos of Big Rock / Lucas Valley Mountain Bike
trail: Big Rock Ridge Fire Road
0:09 |
131 |
Sep 27, 2017
trail: Rotor Burn
2:17 |
133 |
Jul 14, 2016
trail: 680
8:41 |
726 |
Jan 21, 2013
trail: 680
20:33 |
255 |
Jan 1, 2019 , San Rafael
Recent Trail Reports
| status | trail | date | condition | user | info |
|---|---|---|---|---|---|
| Luiz Ranch Fire road | Aug 11, 2020 @ 11:02am Aug 11, 2020 | Very Dry | velomoon | ||
| 680 | Aug 11, 2020 @ 11:02am Aug 11, 2020 | Dry | velomoon | ||
| Big Rock Trail | Aug 11, 2020 @ 11:02am Aug 11, 2020 | Dry | velomoon | ||
| Terra Linda to Lucas Valley Fire Road | Aug 11, 2020 @ 11:02am Aug 11, 2020 | Dry | velomoon | ||
| Loma Alta Fire Rd. | Jul 8, 2020 @ 10:22am Jul 8, 2020 | Very Dry | js4cyclists | ||
| Queenstone Fire Road | Apr 9, 2020 @ 2:47pm Apr 9, 2020 | Ideal | awaite | ||
| Rotor Burn | Dec 12, 2019 @ 2:32pm Dec 12, 2019 | Ideal | JacobyDH | ||
| Luiz Fire Road | Oct 9, 2019 @ 7:29pm Oct 9, 2019 | Dry | acyclist | ||
| Big Rock Ridge Fire Road | Mar 13, 2019 @ 11:23pm Mar 13, 2019 | Dry | mikih | ||
| Idylberry Trail | Sep 15, 2017 @ 7:21pm Sep 15, 2017 | Dry | gbeaks33 |
Activity Feed
| username | action | type | title | date | |
|---|---|---|---|---|---|
 | oruwu | ridden | trail | 680 | Oct 20, 2020 @ 12:38pm 2 days |
 | D-Izzo | wishlist | trail | 680 | Oct 20, 2020 @ 7:12am 2 days |
| bgoldenberg | wishlist | trail | 680 | Oct 19, 2020 @ 10:04pm 3 days |
| Rt88 | wishlist | trail | Goat Trail | Oct 15, 2020 @ 8:58pm Oct 15, 2020 |
| Boborado | wishlist | trail | 680 | Oct 12, 2020 @ 7:02pm Oct 12, 2020 |
Recent Comments
| username | type | title | comment | date | |
|---|---|---|---|---|---|
 | trail | This trail is managed by the Marinwood... | Sep 6, 2019 @ 5:14pm Sep 6, 2019 | ||
 | trail | Can't pedal up it because it's to steep and... | Aug 2, 2018 @ 9:24pm Aug 2, 2018 | ||
| trail | Brutally and relentlessly steep fire road. ... | Apr 1, 2018 @ 9:12pm Apr 1, 2018 | ||
| report | Also, this is a green trail! | Mar 4, 2018 @ 6:33pm Mar 4, 2018 | ||
 | trail | Super loose, steep,narrow downhill that really... | Dec 5, 2017 @ 6:21pm Dec 5, 2017 |
Nearby Areas
| name | distance | ||||
|---|---|---|---|---|---|
| Big Rock / Novato | 2.5 km | ||||
| Tamarancho / West Marin / North Tam | 13 | 36 | 28 | 1 | 3.1 km |
| Gold Hill | 4.9 km | ||||
| China Camp | 4 | 14 | 9 | 5.9 km | |
| Stafford Lake Bike Park | 6 | 1 | 6.3 km |
Local Products
- By brenthillier
NSMBA TRAILFORKS Plus & contributors - Admins: A4B, MCBC
- #3979 - 5,294 views
- big rock / lucas valley activity log | embed map of Big Rock / Lucas Valley mountain bike trails | big rock / lucas valley mountain biking points of interest
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