Directions to Hallam Lake


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Biking or walking directions from the Rio Grande Trail:

  • You are close to Hallam Lake when you start crossing the bridges over the Roaring Fork River (Aspen Art Museum is upstream from Hallam Lake)
  • Follow signs to Aspen Center for Environmental Studies, Puppy Smith Street, the Post Office, or Jenny Adair Wetlands
  • As you approach, the Jenny Adair wetlands with some picnic tables will be on your right
  • Turn right after the Jenny Adair wetlands and you will see stone pillar gates of Hallam Lake
  • Ride or walk down our driveway. You can park your bike in the racks located at the front of the Nature Center

Biking or walking directions from downtown Aspen:

  • From the intersection of Main and Mill Streets (landmark: Hotel Jerome) 
  • Go down the hill on Mill Street (heading North)
  • Take a left on Puppy Smith Street (toward Clark's Market and the Aspen Post Office)
  • Continue to the end of Puppy Smith Street and you will see stone pillar gates of Hallam Lake
  • Ride or walk down our driveway. You can park your bike right in front of the center

Directions from the Garmisch Street bus stop:

  • Walk three blocks North on Garmisch Street (you'll pass Red Brick Arts Center on your right)
  • You'll end up on the corner of Garmisch and Francis Streets
  • Take the bike path on your right 
  • Walk for about 150 feet and look for ACES' sign to your left (on the chain link fence)
  • If you're walking: take a left through the gate in the fence and walk down steep stairs and a narrow trail to Hallam Lake
  • If you're riding a bike: stay on the bike path and take your first sharp left turn which brings you to Puppy Smith Street. Take a left and ride on down our driveway. You can park your bike right in front of the center

Driving directions from Highway 82 East:

  • entering town from the round-about, stay on Main Street until Mill Street (Hotel Jerome will be on your left)
  • At Mill Street, take a left, heading north toward Red Mountain (away from Aspen Mountain Ski Area)
  • At the 3-way stop, take a left onto Puppy Smith Street
  • At the next 4-way stop, continue straight, past the post office
  • The road dead-ends at the entrance to Hallam Lake; the parking lot is to your left
  • Walk down ACES driveway to the center

Driving directions from Highway 82 West:

  • entering town from Independence Pass, stay on Main Street until Mill Street (Hotel Jerome will be on your right)
  • At Mill Street, take a right, heading toward Red Mountain (away from Aspen Mountain Ski Area)
  • At the 3-way stop, take a left onto Puppy Smith Street
  • At the next 4-way stop, continue straight, past the post office
  • The road dead-ends at the Hallam Lake entrance; the parking lot is to your left
  • Walk down ACES driveway to the center