Trails List
Trail-specific access information and rules. It is your responsibility to understand the rules of a particular trail.
Contact
- Environmental Communication & Public Involvement
- P.O. Box 1663 MS K491
- Los Alamos, NM 87545
- (505) 667-3792
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Ancho Canyon Trail
- Closed
Ancho Springs Trail
- Access: Open to the public
- Length: 1.78 miles
- Elevation change: 1027 feet
- Connecting trails: Powerline Point Trail
- Allowed: hiking, walking, running, biking, horseback riding, photography
- Bicycles must stay on established trails.
- Bicycles yield to pedestrians and horses.
Anniversary Trail
- Access: Open to the public
- Length: 1.39 miles
- Elevation change: 200 feet
- Allowed: hiking, walking, running, biking, photography
- Bicycles must stay on established trails.
- Bicycles yield to pedestrians.
Boundary Trail
- Access: Open to the public
- Length: 1.22 miles
- Elevation change: 106 feet
- Connecting trails: Lower Water Canyon Spur, Potrillo Mesa Trail, Water Canyon Overlook Trail, Potrillo Canyon Loop
- Allowed: hiking, walking, running, biking, horseback riding, photography
- Bicycles must stay on established trails.
- Bicycles yield to pedestrians and horses.
Broken Mesa Trail
- Access: Open to the public
- Length: 1.1 miles
- Elevation change: 212 feet
- Connecting trails: Powerline Point Trail, Lower Water Canyon Trail
- Allowed: hiking, walking, running, biking, horseback riding, photography
- Bicycles must stay on established trails.
- Bicycles yield to pedestrians and horses.
Breakneck Trail
- Closed
Camp Hamilton Trail
- Access: Open to the public
- Length: 1.0 miles
- Elevation change: 455 feet
- Allowed: hiking, walking, running, photography
Dead Man Crossing
- Closed
Devaney Trail (Longmire Trail on Los Alamos County land)
- Closed
Fence Canyon Loop
- Access: Open to the public
- Length: 0.71 miles
- Elevation change: 50 feet
- Connecting trails: Potrillo Canyon Loop, Potrillo Crossing, Water Canyon Overlook Trail
- Allowed: hiking, walking, running, biking, horseback riding, photography
- Bicycles must stay on established trails.
- Bicycles yield to pedestrians and horses.
Fence Canyon Trail
- Access: Open to the public
- Length: 0.30 miles
- Elevation change: 80 feet
- Connecting trails: Potrillo Canyon Loop, Potrillo Mesa Trail
- Allowed: hiking, walking, running, biking, horseback riding, photography
- Bicycles must stay on established trails.
- Bicycles yield to pedestrians and horses.
Hidden Canyon Trail
- Closed
Knife Edge Trail
- Access: Open to the public
- Length: 1.22 miles
- Elevation change: 196 feet
- Connecting trails: None
- Allowed: hiking, walking, running, biking, horseback riding, photography
- Bicycles must stay on established trails.
- Bicycles yield to pedestrians and horses.
LANL Fitness Trail
- Access: LANL badge-holders only
- Length: 2.25 miles
- Elevation change: 318 feet
- Connecting trails: Twomile Mesa Trail
- Allowed: hiking, walking, running, biking
- Bicycles must stay on established trails.
- Bicycles yield to pedestrians.
- No photography
Lion Cave Trail
- Access: Open to the public
- Length: 0.90 miles
- Elevation change: 213 feet
- Connecting trails: Lower Water Canyon Trail
- Allowed: hiking, walking, running, biking, horseback riding, photography
- Bicycles must stay on established trails.
- Bicycles yield to pedestrians and horses.
Los Alamos Canyon Trail
- Closed
Lower Water Canyon Trail
- Access: Open to the public
- Length: 2.07 miles
- Elevation change: 198 feet
- Connecting trails: Lower Water Canyon Spur, Lion Cave Trail, Broken Mesa Trail, Ruin Mesa Trail
- Allowed: hiking, walking, running, biking, horseback riding, photography
- Bicycles must stay on established trails.
- Bicycles yield to pedestrians and horses.
Lower Water Canyon Spur
- Access: Open to the public
- Length: 0.52 miles
- Elevation change: 149 feet
- Connecting trails: Lower Water Canyon Trail, Boundary Trail
- Allowed: hiking, walking, running, biking, horseback riding, photography
- Bicycles must stay on established trails.
- Bicycles yield to pedestrians and horses.
Mattie Brook Trail
- Closed
Mortandad Bench Trail
- Seasonal restrictions apply—watch for and obey closures.
- Length: 1.95 miles
- Elevation change: 239 feet
- Connecting trails: Mortandad Canyon Loop
- Allowed: hiking, walking, running, biking
- No photography
- Bicycles must stay on established trails.
- Bicycles yield to pedestrians.
- Stay on bench or mesa top. Canyon floor is off limits.
Mortandad Loop
- Controlled access: LANL badge-holders only
- Seasonal restrictions apply—watch for and obey closures.
- Length: 2.5 miles
- Elevation change: 225 feet
- Connecting trails: None
- Allowed: hiking, walking, running, biking
- No photography
- Bicycles must stay on established trails.
- Bicycles yield to pedestrians.
Mortandad Canyon Trail
- Closed
Old Road Trail (South, Middle, and North Forks)
- Access: Open to the public
- Length:
- Middle Fork: 1.52 miles
- South Fork: 0.9 miles
- North Fork: 0.87 miles
- Elevation change:
- Middle Fork: 158 feet
- South Fork: 30 feet
- North Fork: 69 feet
- Connecting trails: None
- Allowed: hiking, walking, running, biking, horseback riding, photography
- Bicycles must stay on established trails.
- Bicycles yield to pedestrians and horses.
Potrillo Canyon Loop
- Access: Open to the public
- Length: 3.33 miles
- Elevation change: 190 feet
- Connecting trails: Boundary Trail, Fence Canyon Trail, Potrillo Mesa Trail, Pretty Canyon Trail, Ruin Mesa Trail
- Allowed: hiking, walking, running, biking, horseback riding, photography
- Bicycles must stay on established trails.
- Bicycles yield to pedestrians and horses.
Potrillo Crossing
- Access: Open to the public
- Length: 0.52 miles
- Elevation change: 810 feet
- Connecting trails: Fence Canyon Loop, Potrillo Canyon Loop, Potrillo Mesa Trail
- Allowed: hiking, walking, running, biking, horseback riding, photography
- Bicycles must stay on established trails.
- Bicycles yield to pedestrians and horses.
Potrillo Mesa Trail
- Access: Open to the public
- Length: 2.26 miles
- Elevation change: 229 feet
- Connecting trails: Boundary Trail, Ridgeline Trail, Water Canyon Overlook Trail, Fence Canyon Trail, Potrillo Canyon Loop
- Allowed: hiking, walking, running, biking, horseback riding, photography
- Bicycles must stay on established trails.
- Bicycles yield to pedestrians and horses.
Powerline Point Trail
- Access: Open to the public
- Length: 2.0 miles
- Elevation change: 227 feet
- Connecting trails: Ancho Springs Trail
- Allowed: hiking, walking, running, biking, horseback riding, photography
- Bicycles must stay on established trails.
- Bicycles yield to pedestrians and horses.
Pretty Canyon Trail
- Access: Open to the public
- Length: 0.69 miles
- Elevation change: 168 feet
- Connecting trails: Ruin Mesa Trail, Potrillo Canyon Loop
- Allowed: hiking, walking, running, biking, horseback riding, photography
- Bicycles must stay on established trails.
- Bicycles yield to pedestrians and horses.
Research Park Trail
- Access: Open to the public
- Length: 0.55 miles
- Elevation change: 134 feet
- Connecting trails: Devaney Trail
- Allowed: hiking, walking, running, biking
- Bicycles must stay on established trails.
- Bicycles yield to pedestrians.
- No photography
Ridgeline Trail
- Access: Open to the public
- Length: 0.7 miles
- Elevation change: 103 feet
- Connecting trails: Potrillo Mesa Trail, Water Canyon Overlook Trail
- Allowed: hiking, walking, running, biking, horseback riding, photography
- Bicycles must stay on established trails.
- Bicycles yield to pedestrians and horses.
Ruin Mesa Trail
- Access: Open to the public
- Length: 1.1 miles
- Elevation change: 209 feet
- Connecting trails: Water Canyon Overlook Trail, Pretty Canyon Trail, Lower Water Canyon Trail, Potrillo Canyon Loop
- Allowed: hiking, walking, running, biking, horseback riding, photography
- Bicycles must stay on established trails.
- Bicycles yield to pedestrians and horses.
Twomile Mesa Trail
- Access: LANL badge-holders only
- Length: 1.94 miles
- Elevation change: 142 feet
- Connecting trails: LANL Fitness Trail
- Allowed: hiking, walking, running, biking
- Bicycles must stay on established trails.
- Bicycles yield to pedestrians.
- No photography
Water Canyon Overlook Trail
- Access: Open to the public
- Length: 0.68 miles
- Elevation change: 121 feet
- Connecting trails: Boundary Trail, Potrillo Mesa Trail, Ruin Mesa Trail, Ridgeline Trail
- Allowed: hiking, walking, running, biking, horseback riding, photography
- Bicycles must stay on established trails.
- Bicycles yield to pedestrians and horses.