Trails List

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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.