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Los Alamos National Laboratory
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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 M996
  • Los Alamos, NM 87545
  • (505) 667-0216
  • Email

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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

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

  • Access: Open to the public
  • Length: 0.43 miles
  • Elevation change: 274 feet
  • Connecting trails: Hidden Canyon Trail
  • Allowed: hiking, walking
  • No photography

Devaney Trail (Longmire Trail on Los Alamos County land)

  • Access: Open to the public
  • Length: 0.82 miles
  • Elevation change: 193 feet
  • Connecting trails: Research Park Trail, Longmire Trail (Los Alamos County)
  • Allowed: hiking, walking, running, biking, photography
  • Bicycles must stay on established trails.
  • Bicycles yield to pedestrians.

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

  • Access: Open to the public
  • Length: 0.42 miles
  • Elevation change: 217 feet
  • Connecting trails: Deadman’s Crossing
  • Allowed: hiking, walking, running, biking
  • Bicycles must stay on established trails.
  • Bicycles yield to pedestrians.
  • No photography

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

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 Canyon Loop

  • Controlled access: Closed
  • This trail is temporarily closed
  • 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

  • Controlled access: Closed
  • This trail is temporarily closed
  • Length: 1.94 miles
  • Elevation change: 259 feet
  • Connecting trails: None
  • Allowed: hiking, walking, running, biking
  • No photography
  • Bicycles must stay on established trails.
  • Bicycles yield to pedestrians.

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

Potrillo Mesa Trail

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

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.

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P.O. Box 1663
Los Alamos, NM 87545

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(505) 667-7000

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