Visiting ESRL

Weekly tours are available to the public.

Directions to ESRL

ESRL is located in the David Skaggs Research Center (DSRC) at 325 Broadway, in Boulder, Colorado, next to the Department of Commerce National Institute of Science and Technology (NIST) building.

Map of driving route from DIA to Boulder and NOAA.

Driving Directions from DIA

Toll Free:

  • Exit Denver International Airport via Peña Boulevard.
  • Take Peña Boulevard to I-70 West.
  • Split right on I-270 North (Exit 279), toward Ft. Collins and follow across I-25 to US-36 toward Boulder.
  • Take US-36 (Boulder Turnpike) West.
  • Exit US-36 at Baseline Road (University of Colorado Main Campus exit).
  • Keep left and turn left (West) onto Baseline.
  • Keep left and turn left at the first light onto 27th Way.
  • Stay in the middle lane and turn left onto Broadway.
  • Take the second right at the light onto Rayleigh Rd. and bear right into the Visitors Center parking lot.

Toll Road:

  • Exit Peña Boulevard at E-470 and follow to US-36. Current toll information can be found at: www.expresstoll.com/.

By Bus

Regional bus service to Boulder is available through the RTD. The AB bus provides service between Boulder and the Denver International Airport. The B bus provides regional service between Denver and Boulder. Ash Avenue and Broadway is the closest stop to the visitor center and is served by the Skip, Dash, AB, B, DD, DM, GS, and J bus routes. The Flatiron Park-n-Ride (Broadway and 27th Way) is also close by and is additionally served by the Bound and the 204 routes.

By Airport Shuttle

SuperShuttle, 303-227-0000, provides service from the airport to locations in Boulder.

Security Procedure for Visitors

  • Visitors are required to sign in and receive a visitor badge from the Visitors Center.
  • Visitors to the site who are U.S. citizens must present a U.S. photo ID, such as a current state driver's license. Foreign Nationals must present a valid passport or a permanent resident ID ("green card"). All IDs must be originals only – no photocopies accepted.
  • To receive a visitor badge, all visitors are required to park next to the Visitors Center and enter. Security personnel will make a badge and conduct screening. Security personnel will also inspect vehicles prior to entrance of the site.
  • These are our requirements as per Homeland Security regardless of security threat level. If you have any questions, please contact Clark Price, Acting Chief, DOC Police, (301) 975-8911.

Lodging Information

Area Restaurants

Boulder Weather

Please check the National Weather Service forecast for Boulder, Colorado before your trip. If there is a chance that severe weather may close the campus, check the Boulder Labs Site Status website or call 303-497-4000.