Trail Conditions

Muddy Trail Conditions Meter
Dry Trails. Have fun!
Trails are muddy/wet in spots. Travel through the mud, not around it.
Trails have long, continuous areas of mud. Severe resource damage is likely. TRAIL USE IS DISCOURAGED!

NEW FEATURE! Users can now edit many trails at once! Login to the website then look for this button below - just click it, type in comments for the trails you rode, then click Save. That's it.


If you want to know if the trail's in great shape today, or find out what construction is going on, or which outdoor festival has ganked your favorite trail for the day, this is the place to check it out! We have a convenient system for you to quickly see if the trail you are thinking of is dry right now.


Just like our friends at Boulder County Parks and Open Space, Boulder Mountainbike Alliance describes trail conditions using a meter. Even better than the trail meter, the trail-specific comments and the trail news feed tell you what's going on and how it's going to affect your ride!


If you have some conditions to report, please let everyone know what you observed! Simply click "Edit Trail Condition" next to any trail your were just at, or "Edit Multiple Trails" if you did a big ride, and change it to reflect the conditions!

Betasso Preserve
Trail Condition Comment Updated Date Edit Trail Conditions Nid
Canyon Loop
Poor
At least one long muddy stretch and lots of mud, ice, and snow in other spots. 12 days, 14 hours, 49 minutes 217
Benjamin Loop
Fair
Mostly snow and dirt mix, you will run into ice on the areas of the trail that do not get sun. 15 days, 17 hours, 15 minutes 218
Betasso Link Trail
Poor
Some mud ice snow down low. Upper meadow is a muddy mess! 12 days, 16 hours, 60 minutes 219
Fourmile Link Trail
Good
Get it while you can! 61 days, 13 hours, 56 minutes 1264
Boulder Valley Ranch / Boulder Reservoir
Trail Condition Comment Updated Date Edit Trail Conditions Nid
Foothills Trail
Fair
12/31. Snow packed and smooth. a little dirt showing in south facing areas 39 days, 21 hours, 13 minutes 220
Eagle Trail
Good
Muddy in a few spots but overall in good shape. 11 days, 11 hours, 20 minutes 221
North Rim Trail
Fair
Probably somewhat muddy with puddles, following snowmelt. Please update when you ride. 90 days, 18 hours, 3 minutes 222
Left Hand Trail
Closed
muddy trail closure from OSMP 13 hours, 12 minutes 223
Sage Trail
Good
12/31 Snow packed and smooth 39 days, 21 hours, 12 minutes 224
Boulder Reservoir Trail
Good
A few inches of new snow/ packed snow. Too cold today for sloppy and muddy conditions. 33 days, 12 hours, 4 minutes 403
Dot Trails
Trail Condition Comment Updated Date Edit Trail Conditions Nid
Bear Down / Star Wars Trail
Good
all dots are the spot see to be 246 days, 12 hours, 43 minutes 236
Blue Dot Trail
Good
Up to two inches of snow in shaded areas. Dry where it's sunny. All rideable on a regular bike. 93 days, 11 hours, 50 minutes 237
Boot Trail
Good
Terrific 212 days, 20 hours, 39 minutes 238
Reboot Trail
Good
Terrific 212 days, 20 hours, 39 minutes 240
Red Dot/Yellow Dot Loop
Good
Up to two inches of snow in shaded areas. Dry where it's sunny. All rideable on a regular bike. 93 days, 11 hours, 50 minutes 241
Doe / Dog Trail
Good
all dots are the spot see to be 246 days, 12 hours, 43 minutes 390
Powerline Trail
Good
condition set to Good 237 days, 14 hours, 23 minutes 391
Lollypop Loop
Good
Up to two inches of snow in shaded areas. Dry where it's sunny. All rideable on a regular bike. 93 days, 11 hours, 50 minutes 392
Carwash Trail
Good
condition set to Good 237 days, 14 hours, 24 minutes 1752
Front Range Road
Good
Packed snow 14 days, 13 hours, 1 minutes 1753
Big Springs Trail
Good
all dots are the spot see to be 246 days, 12 hours, 43 minutes 1754
Wildwood Trail
Good
all dots are the spot see to be 246 days, 12 hours, 43 minutes 1755
Doudy Draw
Trail Condition Comment Updated Date Edit Trail Conditions Nid
Community Ditch (West)
Fair
Last week's OSMP muddy trail closures have been lifted. Please go through, not around, remaining muddy sections. 16 days, 15 hours, 59 minutes 261
Doudy Draw Trail
Poor
Little to no mud, but I don't recommend riding it. Deep drifts and post holes, progressively less rideable the further you go. Avoid. 2 days, 4 hours, 25 minutes 263
Flatirons Vista South Trail
Fair
Last week's OSMP muddy trail closures have been lifted. Please go through, not around, remaining muddy sections. 16 days, 15 hours, 59 minutes 264
Prairie Vista Trail
Fair
Last week's OSMP muddy trail closures have been lifted. Please go through, not around, remaining muddy sections. 16 days, 15 hours, 59 minutes 269
Spring Brook North Trail
Fair
Last week's OSMP muddy trail closures have been lifted. Please go through, not around, remaining muddy sections. 16 days, 15 hours, 59 minutes 270
Flatirons Vista North Trail
Fair
Last week's OSMP muddy trail closures have been lifted. Please go through, not around, remaining muddy sections. 16 days, 15 hours, 59 minutes 373
Spring Brook South Trail
Fair
Last week's OSMP muddy trail closures have been lifted. Please go through, not around, remaining muddy sections. 16 days, 15 hours, 59 minutes 405
East Boulder
Trail Condition Comment Updated Date Edit Trail Conditions Nid
Cottonwood Trail
Good
good 258 days, 20 hours, 56 minutes 256
East Boulder Trail (Teller Farm)
Poor
Open during White Rocks construction, up to Boulder Creek. Muddy conditions expected right now. 36 days, 15 hours, 43 minutes 257
South Boulder Creek Trail
Fair
trail is open, new bridge open for business! 36 days, 15 hours, 40 minutes 258
East Boulder Trail (White Rocks)
Closed
Due to repairs to the east dam at Ertl Pond (and the trail over the dam), the East Boulder White Rocks Trail is closed from Valmont Rd north to, and including, the Boulder Creek Bridge. Construction is expected to last two weeks, but is weather-dependent and may last longer. East Boulder White Rocks Trail remains open as an out-and-back from East Boulder Gunbarrel Trail south to Boulder Creek. The Boulder Creek bridge remains closed due to flooding damage. Repairs on that project are expected later in 2016. Trail closure information can be found at: https://bouldercolorado.gov/osmp/temporary-closures 36 days, 15 hours, 43 minutes 389
East Boulder Trail (Gunbarrel)
Poor
Open during White Rocks construction, East Boulder Gunbarrel Trail south to Boulder Creek. Muddy conditions expected right now. 36 days, 15 hours, 43 minutes 1758
Cherryvale Trail
Poor
lots of new snow, turning to slush... 358 days, 18 hours, 24 minutes 1759
East Boulder County
Trail Condition Comment Updated Date Edit Trail Conditions Nid
Coal Creek Trail
Poor
2/5 tough fat biking, hike a bike for sure. Get out! 5 days, 14 hours, 23 minutes 398
Niwot Trails
Poor
Plenty of muddy sections 67 days, 11 hours, 10 minutes 399
Pella Crossing
Closed
still closed from September 2013 flood damage, see http://www.bouldercounty.org/os/parks/pages/pellacrossing.aspx 560 days, 18 hours, 14 minutes 400
Rock Creek Trail
Good
Dry, with lots of weeds and prairie dog holes. 149 days, 11 hours, 8 minutes 1706
Erie Trails
Trail Condition Comment Updated Date Edit Trail Conditions Nid
Sunset Park West
Closed
Closed due to wet conditions 35 days, 13 hours, 17 minutes 2667
Hall Ranch
Trail Condition Comment Updated Date Edit Trail Conditions Nid
Antelope Trail
Poor
Crap 11 days, 15 hours, 30 minutes 35
Lower Bitterbrush Trail
Good
Great for a few more hours ...damn snow 11 days, 15 hours, 29 minutes 175
Upper Bitterbrush Trail
Good
Just a couple muddy stretches till it's covered in snow 11 days, 15 hours, 29 minutes 176
Nelson Loop
Closed
from @BoulderCountyOS via Twitter: The entire Nelson Loop at Hall Ranch is closed due to muddy conditions. 12 days, 17 hours, 25 minutes 245
Heil Valley Ranch
Trail Condition Comment Updated Date Edit Trail Conditions Nid
Picture Rock Trail
Fair
- 3 days, 16 hours, 46 minutes 246
Ponderosa Loop
Poor
I was the first bike up there since the snow it seemed ... Some hikers went off trail and I pushed my snow bike the entire loop...it needs traffic to be rideable... 2 days, 9 hours, 28 minutes 247
Wapiti Trail
Fair
9:00am, icy and snow covered the entire way but rideable up until about .25 miles from the loop... 2 days, 9 hours, 27 minutes 248
Wild Turkey Trail
Fair
- 3 days, 16 hours, 46 minutes 249
High Country
Trail Condition Comment Updated Date Edit Trail Conditions Nid
Buchanan Pass Trail
Good
I made it to the falls. The snow gets softer after you cross the 4x4 road and get farther west. Still rideable with low pressure and wide tires. 19 days, 12 hours, 28 minutes 250
Little Raven Trail
Closed
Closed to bikes until May 1st. 86 days, 9 hours, 25 minutes 252
South St. Vrain Trail (East)
Good
Rideable on a fat except for a little soft snow near the staircase. 38 days, 8 hours, 18 minutes 253
Sourdough Trail (North)
Good
great riding from Peaceful valley to Beaver reservoir road. 42 days, 13 hours, 42 minutes 254
Switzerland Trail (North)
Good
Dry, excellent from Sunset to Gold Hill road. Fine for 'cross bikes. 205 days, 7 hours, 39 minutes 255
Sourdough Trail (South)
Fair
50/50 ride and walk on fat bike. The wind has created a lot of off camber sections and sugar snow. 3 days, 13 hours, 28 minutes 384
South St. Vrain Trail (West)
Good
Excellent fat bike conditions 40 days, 8 hours, 54 minutes 393
Beaver Reservoir Cutoff Trail
Good
Nicely packed. Great fat biking. 42 days, 3 hours, 52 minutes 394
Coney Flats Road
Good
Firmly packed. Great riding up to the no bikes portion. 42 days, 3 hours, 51 minutes 395
505 Road
Fair
Trail was dry until probably 9500-9600 feet. After this point, the trail had a number of snow drifts that ranged from 2-6 feet tall. All were walk-able, but the going was not pleasant. Lots of water at the top by Caribou. Although one could ride down the road if they didn't mind getting a little wet, its probably best to give this one a bit more time. 246 days, 13 hours, 40 minutes 396
Wapiti Trail (USFS)
Fair
Good to go. 121 days, 18 hours, 58 minutes 402
Waldrop Trail
Good
Waldrop A+ condition for fat bikes. Tons of skiers out there so stay in control. 30 days, 10 hours, 10 minutes 1760
Left Hand Res Road
Good
Dry four wheel drive road 167 days, 10 hours, 7 minutes 2051
Little Raven (East)
Closed
closed. ski only in winter 38 days, 6 hours, 22 minutes 2052
Marshall Mesa
Trail Condition Comment Updated Date Edit Trail Conditions Nid
Coalton Trail
Good
Hero dirt. Nice! 10 days, 6 hours, 17 minutes 259
Coal Seam Trail
Poor
Ah, big drifts, tough fat biking. Get it! 5 days, 14 hours, 27 minutes 260
Cowdrey Draw Trail
Poor
Deep, sloppy, goopy, thick mud that continues for about 1 mile (which is almost the whole trail) This trail should not have been open (IMO). PLEASE AVOID!! Take the road instead. 10 days, 6 hours, 17 minutes 262
Greenbelt Plateau Trail
Good
Nice. 10 days, 6 hours, 17 minutes 265
High Plains Trail
Fair
Some wet and muddy areas. You won't come through clean! Please ride right on through the mud. 10 days, 6 hours, 17 minutes 266
Marshall Valley Trail
Poor
More tough riding and getting too soft by 8:30am on 2/5. 5 days, 14 hours, 24 minutes 268
Mayhoffer-Singletree Trail
Good
Nice. 10 days, 6 hours, 17 minutes 340
Community Ditch (East)
Good
Some wet spots, but good. 10 days, 6 hours, 17 minutes 388
Meadowlark Trail
Good
only 3 short sections of snow/mud. The rest is dry 16 days, 12 hours, 57 minutes 603
Singletree Trail
Fair
Wet with some mud, but not deep mud. 10 days, 6 hours, 17 minutes 1257
Middle Country
Trail Condition Comment Updated Date Edit Trail Conditions Nid
Ceran St. Vrain Trail / Miller Rock
Good
All rideable on a Fatty. Even some of the 4x4 trails off the loop have rideable tracks on them. 38 days, 11 hours, 15 minutes 251
Pennsylvania Gulch Trail
Poor
snow? please update me! 369 days, 13 hours, 52 minutes 397
Switzerland Trail (South)
Good
Dry and good to go 212 days, 17 hours, 19 minutes 401
Chapman Drive
Fair
hardpacked snow & some ice. studded tires or fatties recommended. 15 days, 7 hours, 6 minutes 1461
Mud Lake
Trail Condition Comment Updated Date Edit Trail Conditions Nid
Caribou Ranch Link
Fair
Packed snow for fat bikes 35 days, 14 hours, 56 minutes 271
Kinnickinnick Loop
Poor
Too soft today (40+ degrees) 23 days, 13 hours, 7 minutes 272
Tungsten Loop
Fair
Rideable. Some bare dirt in spots. Snow cover has gone way down over the past week. 23 days, 13 hours, 5 minutes 273
Rabbit Mountain
Trail Condition Comment Updated Date Edit Trail Conditions Nid
Eagle Wind Trail
Fair
Fine this morning but will be a little muddy in place later 66 days, 17 hours, 59 minutes 274
Indian Mesa Trail
Good
A handful of shallow puddles but otherwise dry and neat. 251 days, 5 hours, 3 minutes 275
Little Thompson Overlook
Fair
Trail condition updated to Fair. 288 days, 8 hours, 6 minutes 276
Walker Ranch
Trail Condition Comment Updated Date Edit Trail Conditions Nid
Meyers Homestead Trail
Poor
Dense well packed snow; blowing snow where it is more open 3 days, 14 hours, 19 minutes 277
Walker Connector
Poor
Melting drifts, some mud, some clear/dry sections 16 days, 11 hours, 52 minutes 278
Walker Ranch Loop
Poor
Almost two feer of fresh powder- snowshoes for now 6 days, 22 hours, 49 minutes 279
West Magnolia
Trail Condition Comment Updated Date Edit Trail Conditions Nid
Aspen Alley Trail
Good
Firmly packed snow. 14 days, 13 hours, 55 minutes 225
Hobbit Trail
Fair
Snow up to 1' drifts. 90% rideable on my 29 . Open areas have small drifts, forested areas have long continuous snowy sections. 77 days, 16 hours, 50 minutes 227
Lookout Trail
Good
all trails open and as good a condition as they ever are... wildflowers are incredible... 207 days, 8 hours, 14 minutes 230
Observatory Trail
Good
Firmly packed snow. Some dirt. 14 days, 13 hours, 53 minutes 231
Pungy Stick Trail
Good
Firmly packed snow. Some dry ground. 14 days, 13 hours, 56 minutes 232
Re-Root Trail
Good
Alternates between moderately packed snow and dry ground. All rideable on a fat. 14 days, 13 hours, 58 minutes 233
School Bus Trail
Fair
The lower half has dried out and has great tacky soil. Above that you start hitting stretches of packed snow and some mud, rideable all the way to the top. 100 days, 11 hours, 5 minutes 234
Sugar Mag Trail
Good
Firmly packed snow. A little ice. Less than a minute ago. 235