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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)
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
inches
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.
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Region Details
- 1,232
- 102
- 852
- 1,086
- 450
- 64
- 12
Stats
- Avg Trail Rating
- Trails (view details)
- 5,914
- Trails Mountain Bike
- 3,841
- Trails E-Bike
- 1,790
- Trails Horse
- 2,306
- Trails Hike
- 4,620
- Trails Trail Running
- 4,557
- Trails Dirtbike/Moto
- 827
- Trails Observed Trials
- 73
- Trails ATV/ORV/OHV
- 545
- Trails Snowmobile
- 55
- Trails Snowshoe
- 112
- Trails Downhill Ski
- 765
- Trails Backcountry Ski
- 61
- Trails Nordic Ski
- 311
- Total Distance
- 10,318 miles
- Total Descent
- 1,866,972 ft
- Total Vertical
- 14,474 ft
- Highest Trailhead
- 14,478 ft
- Reports
- 26,872
- Photos
- 11,451
- Ridden Counter
- 927,390
Articles
Mammoth Mountain Bike Park to Open May 23rd
May 7, 2025 from pinkbike.com
Bike park season is starting early this year!
The 12 Best Campgrounds in California to Ditch the Crowds
Apr 8, 2025 from ool-test.outsideonline.com
The Golden State might have more campgrounds than any other in the U.S.—and more visitors, too. From desert to coast to mountains, here are the...
The 12 Best Campgrounds in California to Ditch the Crowds
Apr 8, 2025 from outsideonline.com
The Golden State might have more campgrounds than any other in the U.S.—and more visitors, too. From desert to coast to mountains, here are the...
These Hikers Brought 150 Pounds of Gear to Hike Mt. Whitney. It Didn’t Go Well.
Nov 8, 2024 from backpacker.com
After SAR rescued two heavily-laden, inexperienced hikers from the Lower 48's highest peak, they had some strong advice to share with anyone...
Sub Regions
- Alpine County (150)
- Bear Valley (59)
- Bear Valley Resort (19)
- Ebbetts Pass (0)
- Kirkwood (73)
- Caples Creek (20)
- Kirkwood Mountain Resort (40)
- Markleeville (8)
- Hope Valley (6)
- Bear Valley (59)
- Amador County (29)
- Ione (2)
- Jackson (7)
- Lake Tabeaud (3)
- Mount Zion (4)
- Pioneer (5)
- Plasse (4)
- Sutter Creek (5)
- Erickson Ranch (5)
- Volcano (3)
- Ione (2)
- Calaveras County (135)
- Angels Camp (11)
- Arnold (70)
- Valley Springs (21)
- Parrotts Ferry (1)
- El Dorado County (599)
- Cameron Park (7)
- camino (1)
- Coloma (1)
- Cool (28)
- Olmstead Loop (27)
- El Dorado Hills (55)
- Salmon Falls Ranch (13)
- Georgetown (60)
- Rock Creek (48)
- Grizzly Flats (28)
- Pipi Valley (5)
- Meyers (98)
- Angora Ridge (13)
- Gunmount (17)
- Meiss Country (20)
- Meyers Urban Trails (46)
- Washoe Meadows State Park (2)
- Placerville (22)
- Rasmussen Park (15)
- Pollock Pines (15)
- Jenkinson Lake (14)
- South Lake Tahoe (163)
- Corral (13)
- Fallen Leaf (7)
- Freel High Country (11)
- Grover Hot Springs State Park (6)
- Hartoonian Trails (28)
- Powerline (10)
- SLT Urban Trails (34)
- Tahoe Mountain (29)
- Strawberry (72)
- Tahoma (3)
- Carson Spur (5)
- Sugar Pine (32)
- Cameron Park (7)
- Fresno County (77)
- Big Creek (7)
- Ely Mountain (7)
- Coalinga (2)
- Fresno (10)
- Friant (7)
- Sanger (0)
- Channel Islands (0)
- shaver lake (19)
- Shaver Lake (18)
- China Peak Mountain Resort (26)
- Upper Kings River Trails (6)
- Big Creek (7)
- Inyo County (196)
- Big Pine (3)
- Baker Creek (0)
- Bishop (120)
- Furnace Creek (1)
- Independence (0)
- Lone Pine (54)
- Tecopa (1)
- Whitney Portal (3)
- Big Pine (3)
- Madera County (77)
- Mariposa County (54)
- Buck Meadows (16)
- Pilot Ridge (14)
- Coulterville (1)
- El Portal (1)
- Fish Camp (2)
- Mariposa (8)
- Jerseydale (3)
- Exchequer Mountain Bike Park (24)
- Buck Meadows (16)
- Mono County (149)
- Bridgeport (17)
- Twin Lakes (6)
- Chalfant Valley (1)
- june lake (6)
- Lee Vining (2)
- Mammoth Lakes (113)
- Walker (13)
- Mill Canyon (11)
- Bridgeport (17)
- Nevada County (964)
- Grass Valley (25)
- Grass Valley (9)
- Lake Of The Pines (1)
- Nevada City (196)
- North San Juan (1)
- Penn Valley (13)
- Rough and Ready (1)
- Truckee (702)
- 16 Acre Forest (7)
- Armstrong Urban Trails (8)
- Big Chief (13)
- Boreal Mountain Resort (6)
- Canyon Springs (0)
- Castle Peak (25)
- Coldstream Canyon (17)
- Donkey Town (7)
- Donner Memorial State Park (35)
- Donner Summit (21)
- Elizabethtown Meadows (2)
- Five Creeks (16)
- Glenshire Neighborhood Trails (38)
- Independence Lake Preserve (2)
- Johnson Canyon (8)
- Lower Carpenter Valley (8)
- Northstar California Resort (50)
- Prosser Hill (59)
- Royal Gorge (47)
- Sagehen Hills (0)
- Sawtooth (60)
- Sugar Bowl (17)
- Summit Lakes (2)
- Tahoe Donner (112)
- Truckee Bike Park (7)
- Truckee River Canyon (15)
- Truckee Urban Trails (13)
- Waddle Ranch Preserve (20)
- Washington (3)
- Fordyce (8)
- Parliament Trails (4)
- Yuba Gap (4)
- Grass Valley (25)
- Placer County (645)
- Auburn (109)
- Carnelian Bay (29)
- Colfax (1)
- Foresthill (43)
- Foresthill OHV Area (38)
- NFA Upper Gorge (4)
- Granite Bay (6)
- Homewood (51)
- Kings Beach (60)
- Lower KB Trails (30)
- Stateline Lookout (1)
- Upper KB Trails (24)
- Lincoln (2)
- Meadow Vista (9)
- Olympic Valley (51)
- Rocklin (2)
- Roseville (3)
- Tahoe City (189)
- Alpine Meadows (19)
- Mount Watson (23)
- Paige Meadows (43)
- Painted Rock (17)
- Stanford Rock (12)
- Tahoe City Neighborhood Trails (6)
- Tahoe Cross Country (58)
- Tahoe Vista (65)
- Weimar (10)
- French Meadows (6)
- North Fork American Headwaters (8)
- Plumas County (342)
- Almanor (1)
- Blairsden (35)
- Everstoke (36)
- Chester (0)
- Clio (1)
- Graeagle (95)
- Lakes Basin (48)
- Madora Lake (1)
- Mills Peak (30)
- Plumas Eureka State Park (8)
- La Porte (8)
- Portola (106)
- Quincy (95)
- Mt. Hough (57)
- South Park (18)
- Almanor (1)
- Sierra County (160)
- Calpine (1)
- Downieville (129)
- Forest City (17)
- Loyalton (8)
- Smithneck (7)
- Sierra City (2)
- Verdi Peak (4)
- Calpine (1)
- Tulare County (87)
- Camp Nelson (2)
- Hartland (17)
- Redwood Mountain (13)
- Ponderosa (1)
- Porterville (0)
- Three Rivers (55)
- Case Mountain (45)
- Tulare (1)
- Wilsonia (10)
- Camp Nelson (2)
- Tulare County (1)
- Visalia (1)
- Visalia (1)
- Tuolumne County (242)
- Chinese Camp (83)
- Groveland (48)
- Pinecrest (60)
- Pinecrest (60)
- Sierra Village (13)
- Lyons Reservoir (13)
- Sonora (40)
- tuolumne (1)
Popular Sierra Nevada Mountain Biking Trails
status | title | difficulty | rating |
---|---|---|---|
Upper First Divide Downieville Trail Network | |||
Main St. Downieville Trail Network | |||
Butcher Ranch Trail Downieville Trail Network | |||
Third Divide Downieville Trail Network | |||
Donkey Town Trail Donkey Town | |||
Corral Trail (Lower) Corral | |||
Sunrise Trail Downieville Trail Network | |||
Butcher Ranch Trail (Upper Section) Downieville Trail Network | |||
Hoot Trail Harmony/Washington Ridge | |||
Corral Trail (Upper) Corral | |||
Saxon Tie Road Corral | |||
Jackass Point Donkey Town | |||
Armstrong Connector Trail Corral | |||
Culvert Trail Auburn State Recreation Area | |||
Scotts Flat Trail Harmony/Washington Ridge |
Sierra Nevada Mountain Bike Routes
title | rating | distance |
---|---|---|
TAMBA: Paradise Loop Meyers Urban Trails | 11 miles | |
Sawtooth, a bear, two beavers, two bridges, and a happy face Sawtooth | 13 miles | |
TAMBA Rose to Toads South Lake Tahoe | 62 miles | |
TAMBA: Triple Crown - Freel Meadows to Armstrong Bypass | 25 miles | |
Downieville Downhill Downieville | 15 miles | |
Jackass-Loop-4mi Sawtooth | 4 miles | |
Mr. Toads Loop South Lake Tahoe | 19 miles | |
Jackass Complete 2020 Sawtooth | 4 miles | |
Tahoe City Tahoe Rim Trail Loop (4 Hours) Tahoe Cross Country | 19 miles | |
Corral via Fountain Place Rd Corral | 5 miles |
Photos of Sierra Nevada Mountain Bike
trail: Yabba Dabba Doo
110 |
Nov 28, 2021 @ 8:27pm
Nov 28, 2021
trail: Yabba Dabba Doo
150 |
Nov 28, 2021 @ 8:27pm
Nov 28, 2021
trail: Lower Rock Creek
444 |
Oct 29, 2017 @ 6:14pm
Oct 29, 2017
trail: Hayden
1,150 |
Apr 3, 2011 @ 11:56pm
Apr 3, 2011
trail: Hayden
704 |
Apr 3, 2011 @ 11:53pm
Apr 3, 2011
trail: Big Rock
275 |
Feb 29, 2004 @ 7:43pm
Feb 29, 2004
trail: Big Rock
738 |
Feb 29, 2004 @ 7:43pm
Feb 29, 2004Videos of Sierra Nevada Mountain Bike
featured

5:27 |
2616 |
Jul 21, 2014

trail: Upper Bandit
4 |
Oct 17, 2024

trail: Upper Bandit
4 |
Oct 17, 2024

trail: Creek Side Trail
|
Oct 17, 2024

trail: Chain Smoke
42 |
Sep 18, 2024

trail: Scotts Flat Trail
|
Sep 13, 2024

trail: Scotts Flat Trail
37 |
Sep 9, 2024
Current Trail Warnings
status | trail | date | condition | user | info |
---|---|---|---|---|---|
Smith Peak Access Road Plumas County Gravel Network | May 15, 2025 @ 9:28am May 15, 2025 | Snow Covered | bkxc Everstoke | Hike Still covered in snow as of May 15 | |
West Meadow Kirkwood Mountain Resort | May 20, 2025 @ 9:07am 7 hours | Prevalent Mud | DoubleDuff KMR | ||
East Meadow Kirkwood Mountain Resort | May 20, 2025 @ 9:06am 7 hours | Prevalent Mud | DoubleDuff KMR |
Recent Trail Reports
status | trail | date | condition | info | user |
---|---|---|---|---|---|
Saxon Tie Road Corral | May 20, 2025 @ 9:10am 6 hours | Dry | namor216 | ||
Incense Cedar Trail Corral | May 20, 2025 @ 9:10am 6 hours | Variable | namor216 | ||
Corral Trail (Lower) Corral | May 20, 2025 @ 9:10am 6 hours | Ideal | namor216 | ||
Corral Trail (Upper) Corral | May 20, 2025 @ 9:10am 6 hours | Dry | namor216 | ||
Corral Trailhead Corral | May 20, 2025 @ 9:10am 6 hours | Ideal | namor216 | ||
Armstrong Connector Trail Corral | May 20, 2025 @ 9:10am 6 hours | Variable | namor216 | ||
Fountain Place Road Corral | May 20, 2025 @ 9:10am 6 hours | Ideal | namor216 | ||
Red Oktober Arnold Rim Trail System | May 20, 2025 @ 11:17am 4 hours | Ideal | karinarta ARTA | ||
Arnold Rim (9-10) Arnold Rim Trail System | May 20, 2025 @ 10:29am 5 hours | Dry | karinarta ARTA | ||
Whiskey Kirkwood Mountain Resort | May 20, 2025 @ 9:06am 7 hours | Snow Covered | DoubleDuff KMR |
Activity Feed
username | action | type | title | date |
---|---|---|---|---|
idesofmarz | wishlist | route | activity #72064360 | May 20, 2025 @ 3:04pm 34 mins |
kprice2003 | wishlist | trail | activity #72062611 | May 20, 2025 @ 2:30pm 1 hours |
namor216 | add | report | activity #72062573 and 6 more | May 20, 2025 @ 2:29pm 1 hours |
MarioMarenco | vote | trail | activity #72061914 | May 20, 2025 @ 2:16pm 1 hours |
millercory | ridden | trail | activity #72061263 | May 20, 2025 @ 2:04pm 2 hours |
Recent Comments
username | type | title | comment | date |
---|---|---|---|---|
report | As of 2 days ago, all previous down trees were... | May 19, 2025 @ 6:19pm 21 hours | ||
report | I think so but it seemed pretty insignificant.... | May 19, 2025 @ 4:29pm 23 hours | ||
report | @robarta awesome!! Thanks for writing all the... | May 19, 2025 @ 4:15pm 23 hours | ||
report | @robarta was this still on the trail? Previous... | May 19, 2025 @ 4:12pm 23 hours | ||
trail | Really sick dh. Fast with great corners and... | May 17, 2025 @ 7:29pm 3 days |
Local Badges
-
Sunset Loop0 awarded -
Logging Museum Loop3 awarded -
San Domingo Loop0 awarded -
Cougar Rock5 awarded -
Top of the World4 awarded -
Cowboy Loop0 awarded
Bike & Skill Parks
name | type | city | rating |
---|---|---|---|
Northstar California Resort | bike park | Truckee | |
Mammoth Mountain Bike Park | bike park | Mammoth Lakes | |
China Peak Mountain Resort | bike park | Lakeshore | |
Heavenly Mountain Resort | bike park | South Lake Tahoe | |
Palisades Tahoe at Olympic Valley | bike park | Olympic Valley |
Upcoming Local Events
-
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-
-
Local Products
Local Trail Supporters
- Carriage House Inn
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![Shimano]()
![Truckee Trails Foundation]()
![Paul Component Engineering]()
![WTB]()
![Santa Cruz Bicycles]()
![Mammoth Lakes Anesthesiologists]()
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- Town of Mammoth Lakes
- Mikes Bikes
![Great Redwood Trail]()
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- National Forest Service
![OutdoorGearLab]()
![Tahoe Rim Trail]()
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- Sierra Pacific Orthopedic
- Victory Velo Bike Shop
Local Products
Local Trail Supporters
- Carriage House Inn
- Town of Mammoth Lakes
- Mikes Bikes
- National Forest Service
- Sierra Pacific Orthopedic
- Victory Velo Bike Shop
Activity Type Stats
activitytype | trails | distance | descent | descent distance | total vertical | rating | global rank | state rank | photos | reports | routes | ridelogs |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mountain Bike | 3,837 | 6,543 miles | 1,012,372 ft | 2,838 miles | 14,242 ft | 10,473 | 26,655 | 571 | 437,799 | |||
E-Bike | 1,790 | 4,100 miles | 607,743 ft | 1,750 miles | 12,963 ft | 70 | 20,433 | 123 | 38,784 | |||
Horse | 2,306 | 5,239 miles | 780,125 ft | 2,215 miles | 13,114 ft | 18 | 10,673 | 46 | 216 | |||
Hike | 4,619 | 9,514 miles | 1,466,555 ft | 3,937 miles | 14,475 ft | 665 | 25,572 | 782 | 55,067 | |||
Trail Running | 4,557 | 9,400 miles | 1,445,771 ft | 3,894 miles | 14,475 ft | 121 | 25,517 | 610 | 28,462 | |||
Dirtbike/Moto | 822 | 2,689 miles | 352,425 ft | 1,130 miles | 11,234 ft | 35 | 7,127 | 35 | 855 | |||
Observed Trials | 73 | 153 miles | 19,311 ft | 73 miles | 10,003 ft | 3 | 790 | 1 | 189 | |||
ATV/ORV/OHV | 545 | 1,793 miles | 194,967 ft | 701 miles | 11,473 ft | 11 | 6,468 | 9 | 147 | |||
Snowmobile | 55 | 173 miles | 21,230 ft | 69 miles | 9,915 ft | 879 | 2 | 75 | ||||
Snowshoe | 112 | 189 miles | 22,169 ft | 70 miles | 9,915 ft | 3 | 888 | 31 | 2,388 | |||
Downhill Ski | 765 | 307 miles | 269,839 ft | 277 miles | 10,541 ft | 2 | 703 | 53,125 | ||||
Backcountry Ski | 61 | 152 miles | 35,804 ft | 66 miles | 12,618 ft | 1 | 637 | 2 | 16,551 | |||
Nordic Ski | 311 | 267 miles | 24,921 ft | 107 miles | 9,003 ft | 3 | 894 | 6 | 17,178 |
- By brenthillier
NSMBA TRAILFORKS & contributors
- Admins: jpmcghee, sanfret, brianpetry, TheAngryTomato
- #7890 - 25,858 views
- sierra nevada activity log | embed map of Sierra Nevada mountain bike trails | sierra nevada mountain biking points of interest polygons
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