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Woodland Jurassic Ride

Friday, April 28, 2023

Other Names

Woodland Jurassic Mountain Bike Trail, Sherlock Spring, Graves Reservoir

Last Known StatusOpen

This area consists of about 9 miles of novice type dirt roads that form a long loop. There are no steep hills, rough sections or other challenges but there are some scenic views at the south end. It is a great place for beginners or for a leisurely ATV ride.

Trail Map... Nearby ATV Trails...


Permit RequiredYesCA OHMVR stickers required
Dates OpenYear-RoundCA OHMVR red sticker vehicles permitted year round
Other ATV Stickers AcceptedYesResidents of any state not listed must purchase a Nonresident OHV Use Permit. (AR, AZ, CA, CO, CT, DE, IA, ID, IN, LA, MA, MD, ME, MI, MN, MO, MT, ND, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, TX, UT, VT, WA, WI, WY)
Spark ArrestorYesA spark arresting exhaust silencer or end cap is required for all vehicles.
Noise LimitYes (96 dB)CA OHMVR noise limits apply (1985/older limit 101 dB, 1986/newer limit 96 dB)
Whip FlagsNot Required
Maximum Vehicle WidthNo Restriction
Allow Dirt Bikes, Trail Bikes and Motorcycles Motorcycles & Dirt BikesPermittedCA OHMVR stickers required
Allow All Terrain Vehicles / Quads / Four Wheelers ATVsPermittedCA OHMVR stickers required
Allow Utility Terrain Vehicles, Side by Sides (SXS), RZR UTV & SXSPermittedCA OHMVR stickers required
Allow 4x4 Jeeps, SUVs and 4 x 4 Trucks with License Plates SUVs & Jeeps (registered)Permitted
Dune Buggy & Sand Rail
4x4 (unregistered)
PermittedCA OHMVR stickers required
2 Stroke EnginesNo RestrictionCA OHMVR restrictions apply
MX Helmet RequiredYeshelmets required by state law
Camping / Overnight RV Parking Camping
Campfire Restrictions Campfires
Night RidingUnknown
Trail BlazingProhibitedstay on the trail
Rule Enforcement


AreaMotorized Trails




Our RatingRatingGood
Recommended StayFull Day
Comments(Scroll Down For Rider Reviews & Comments)


Nearest CityAlturas, CA
Go Back To California List
Trail MapGo To Trail Map
From: Reno, NV
1) Take US-395 North to CR-A3/Standish Buntingville Road, about 70 miles
2) Turn right on CR-A3, continue 8.5 miles
3) Turn right at intersection on US-395 north, continue toward Alturas, about 90 miles
4) Turn left (west) on W. Carlos Street, continue .6 miles
5) Turn left (south) on CR-60, continue 5.4 miles
6) Turn left (south) on Lagna Road. Trails begin here.


Contact InfoBLM - Alturas Field Office
708 West 12th Street
Alturas, CA 96101
(530) 233-4666
(530) 233-7904



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Approx Size9,600 acres (15 sq mi)
Miles Of Trail8
Climate TypeForest
Elevation4400 to 4600 ft.
Trail MaintenanceMarked, Not Rated, Lightly Maintained
Loose DirtThis trail has no loose dirt.None
Hard PackThe trail has mostly hard pack terrain.Mostly
SandThis trail has little sandy areas.Little
MudThe trail has little mud after it rains.Little
DustThe trail has some dust on typical days.Some
RocksThis trail has little rocks.Little
TreesThe trail has few trees.Few
Steep HillsThis trail has no steep hills.None
Water CrossingsThe trail has no water crossings.None
Small JumpsThis trail has no small jumps.None
Large JumpsThis trail has no large jumps.None
BermsThe trail has no berms.None
Sand/Gravel PitsThis BLM land has no sand or gravel pits.None
Single TrackThis BLM land has no single track trails.None
RoadsThis BLM land has mostly roads.Mostly
ShadeThis BLM land has few shaded areas.Few
HazardsThis trail has few hazards.Few(hazards assumed marked but use caution)
Easy Terrain NoviceThis trail has mostly beginner terrain.Mostly
Moderate Terrain AmateurThis trail has little intermediate level terrain.Little
Difficult Terrain ExpertThis trail has no expert terrain.None



Gasoline Gasoline1-5 Miles (NE)Modoc Mini Mart (530) 233-5161
Diesel Diesel1-5 Miles (NE)Modoc Mini Mart (530) 233-5161
Potable Water Water1-5 Miles (NE)Sully's RV Park (530) 233-5347
RV Hookups RV Hookup1-5 Miles (NE)Sully's RV Park (530) 233-5347
RV Dump Station RV Disposal1-5 Miles (NE)Sully's RV Park (530) 233-5347
Primitive Camping Campground20-30 Miles (SW)Pit River Campground (530) 233-4666
Convenience Store Conv Store1-5 Miles (NE)Modoc Mini Mart (530) 233-5161
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