Public Tours

Reservations are required for the weekly public tour offered each Tuesday at 1:00 p.m. All tours are free to the public.

  • To make a reservation for the weekly public tour, please visit our Sign-Up Page
  • For all school tours, including K-12 and universities, please call 303-497-4091.
  • For special group tours, please call 303-497-4091.

Tours of the David Skaggs Research Center last approximately 1.5 hours and include stops at the Space Weather Prediction Center, ESRL Global Monitoring Division for information on the carbon dioxide record, the National Weather Service Forecast Office, and Science On a Sphere.

Tour stop descriptions can be found on the Resources page. For recorded information about the tour, call 303-497-3333.

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.

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: