Boulder RangerDistrict - Arapaho / Roosevelt National Forest
Open 4WD Roads
Road Name Forest Service
Road Name
FDR # Difficulty Miles Status
Baltimore Ridge Baltimore Ridge 416.1 Easy - 4 0.70
Bear Gulch Bear Gulch 235.1 Easy - 4 1.81 Includes .1A - .1D
(signed)
Beaver Reservoir Beaver Bog 113
96J
Easy - 1 1.1 Seasonal Closure
Buffalo Gulch Buffalo Gulch 283.1   0.58 Access? Crosses Private Property
Bunce School Road Bunce School Road 115 Easy - 3 2.02  
Bunce School Cutoff Cave Creek 217.1 Easy - 3 2.15 Includes .1A-.1E spurs
Button Rock Loop Button Rock B 118.1 Easy - 4 2.00 Seasonal Closure
Caribou Caribou
Eldora
Rainbow Lakes
116J
128J
505
Moderate - 5 3.01 Includes 128J.2 part, .3 part
(signed)
Carnage Canyon Lower Creek 286.A Extreme - 10 1.01 Closed, Forest Service 2006
Castle Gulch Castle Gulch
East Golden Age
287
288
Moderate - 7 2.34
1.67
Includes 287.A
Includes 288.A, .B, .C
(signed)
Castle Gulch Ridge Castle Gulch Spur 287.B Moderate - 6 1.78 (signed)
Chipmunk Gulch Chipmunk Gulch 376.1   0.46 Includes .1B
Comforter Mountain Comforter Mountain 312.1   1.13 access, private property
Coney Creek (Flats) Coney Flats 507.1 Moderate - 6 6.54 Seasonal Closure-Nov to late Jun
(signed)
Conifer Hill Conifer Hill 185.1 Easy - 1 2.37
Dry St. Vrain Big John Mountain
Dry St. Vrain
186.1
200.1
Easy - 2 5.01
0.24
Includes .1C, .2A, .2C

Fairwell Gulch Fairwell Gulch 237.1 Easy - 2 3.63 Includes .1A-F, .1H-I
(signed)
Fireman Hill Upper Ridge
North Saddle
286.D
286.F
Difficult - 8 0.52
0.60
(signed)
Four Mile Gulch Ruby Gulch 328.1 Easy - 1 2.27 (signed)
Golden Age Hill Golden Age 284.1 Easy - 3 5.76 Includes .1A-.1E, .1G-.1J
Gordon Gulch Garnet Spur
Upham Gulch
Gordon Gulch
Big Springs/Matchless
226.1
228.1
233.1
314.1
Easy - 1 0.84
4.61
2.32
3.80

Includes .1A-.1F
(signed)

Gross Reservoir Forsythe Spurs
Gross Reservoir
68.2
97.1
Easy - 3 0.56
2.68
 
Inspiration Point Rocky Point 453.1 Easy-2 1 (signed)
Ironclads Ironclads 216.1 Moderate - 7 2.78 Includes .1A
(signed)
Jenny Creek Jenny Creek 502.3 Moderate - 7 3.14 To be closed in 1997 Forest Plan
(signed)
Jenny Lind Gulch Jenny Lind Gulch/Perigo 413.1   5.54 Main Gulch Closed, Private
Johnny Park Johnny Park 118 Easy - 3 5.11 Seasonal Closure
Kingston Peak Kingston Peak 353.1 Moderate - 5 3.68 (signed)
Lefthand Canyon Lefthand 286 Moderate - 7 3.91 (signed)
Lefthand Reservoir Lefthand Reservoir 232.1 Easy - 2 1.93  
Lump Gulch Fairburn Mountain
Skydale
409.1
410.1
  5.46
4.84
Includes .1, .2
Includes .1A - .1F
Mammoth Gulch Mammoth Gulch 176.1 Easy - 3 3.19 Accessed by Boulder County 4N
Meeker Park Campground Meeker Park 122.1 NA 0.09  
Middle St. Vrain Middle St. Vrain 114.1 Moderate - 7 4.80 Seasonal closure, Nov to late June
(signed)
Miller Rock Miller Rock
Cannon Mountain
Headache
252.1
254.1
523.1
Difficult - 8 5.50
3.92
5.70
Inlcudes .1A, .2A, .2B(signed)
Includes .1A, .1C, .1F, .1G(signed)
Includes .1A-.1F(signed)
Moon Gulch Moon Gulch 290.1 Moderate - 5 3.21 Includes .1A, .1B(part), .1D(signed)
Mother Hill Lower Ridge 286.C Moderate - 7 0.67 (signed)
Nugget Nugget 509.1   7.01 Includes .1B, .3A -.3C
(signed)
Nugget Hill Nugget Hill 509.3D Moderate - 5 0.75  
Observatory Spurs North Observatory
High School Overlook
West Magnolia
Observatory
Haul Road East
Haul Road West
342.1
343.1
346.1
355.1
355C
355T
Easy - 2 0.64
0.26
0.67
6.01
(signed)
Park Creek Upper Basin
North Basin
202.1
203.1
Easy - 3 2.94
2.50
Includes .1A, .1C

Peewink Road Peewink 332.1 Easy - 2 3.62 Includes .1A-.1D, .1G, .1F(signed)
Phoenix Ghost Town Rollinsville
Stennessee Mountain
105.1
109.1
Easy - 4 8.33
1.61
Includes .1A - .1C, .2A, .2B
Includes .1A, .1B
Rainbow Lakes Rainbow Lakes 298.1 Easy - 1 5.00 FR116(signed)
Rock Creek Rock Creek 116.1 Easy - 4 4.76 Includes .2, .2B-.2E, .2G-.2I(signed)
Rollins Pass Moffat Road 149.1 Easy - 1 14.59 Includes .1A, .1B
Rollins Pass Siding Rollins West 354.1   3.58 Includes .1A
Slaughterhouse Gulch Slaughterhouse Gulch 510.1 Easy - 3 1.48 Includes .1(part), .1C-.1E
South St. Vrain Riverside Drive 110.1 Easy - 1 0.29 Trailhead access
Spring Gulch Spring Gulch
Gold Lake
370
372
Easy - 3 0.88
2.59
Includes .1A
Includes .1E-.1G
Switzerland Trail Switzerland North
Lefthand Creek Loop
Windy Ridge
North Gillespie
Mount Alto Spurs
Fourmile North
221.1
323.1
326.1
327.1
456.1
462.1
Easy - 1 1.52
2.86
0.38
0.53
1.39
2.07

(141.1, 141.2 Closed)

(signed)
Taylor Mountain Taylor Mountain 330.1 Easy - 2 2.42 Includes .2B, .2C
(signed)
Upper Creek Road Upper Creek 286.E Moderate - 5 0.52 (signed)
Walker Mountain Walker Mountain 509.1A Difficult - 8 1.76 (signed)
Winiger Gulch Winiger Gulch 97.1   2.68  
Winiger Ridge Winiger Ridge 359.1   3.00 Includes .1C, .1E
Total Miles of Recreation Roads OPEN 214.4

Last Modified: 11/20/07

Notes:

1) Road mileage is taken from Forest Service INFRA data as of January 2005. It has been cross refereced with Forest Service topo maps overlayed with transportation routes.

2) Difficulty ratings are based on an average. To some, the levels list the road as easier than they are, while to others they are listed as harder. Consider this when choosing roads to drive. Know your ability. If you are new to four wheeling, start at the easy level and work up to find your highest ability.