�It turned out that I got the crucial idea for the solution for one of the two problems I solved during my stay during a hike, and not while sitting in the office. This might indicate that an exceptional environment is a 'promoter' for scientific work.�

Travel and Visa Information



You may rent a car, fly, or take a shuttle bus to Aspen.

Air Travel

Flying from Denver to Aspen takes about 30 minutes. Book your reservations as far in advance as possible, since weekend travel is popular. Aspen is served by:
  • United (1-800-241-6522) from Denver, Chicago, Houston, and Los Angeles. Schedules change. Click here
  • to check current cities served by the Aspen/Pitkin County Airport.
  • American Airlines (1-800-433-7300) from Los Angeles and Dallas/Fort Worth.
  • If all flights to Aspen are booked, look into flying to Eagle/Vail. 

  • Ground Travel

    Ground transportation is available from Denver, a 4�hour drive with:
  • Colorado Mountain Express for door�to�door service. Call 1�800�525�6363 or use ridecme.com � Reservations are usually required. Tell them you want the group PHYSICS rate (about $83.20 plus tax and fee) to Aspen, one�way, from Denver. If you do not mention PHYSICS, you will not receive the group rate.
  • We have a RIDE BOARD. The password is in your arrival information email.
  • If you rent a car, the drive from Denver is beautiful, either on an interstate (I�70) or over Independence Pass (the highest paved highway in the U.S., 2�lane, narrow in places, scheduled to open for the summer in late May but inquire before your trip), and takes about 4 hours from the airport. Check the rideboard to offer a ride or share a rental car. You can get a one-way rental and drop off your car at the Aspen Airport.
  • When you get to Aspen

    A taxi from the airport is about $25. Tell the taxi driver you are first going to the Aspen Center for Physics at 700 W. Gillespie. Click here for a map showing the location of the Aspen Center for Physics. Have your driver wait while you pick up your packet so he can take you and your luggage to your apartment. If you are driving, you will be on Highway 82 coming into town, which is also Main Street. From Main Street, turn north onto 6th Street. Our parking lot is at the end of 6th Street. There is also bus service from the airport into town, which will require some walking. Bus information is available at rfta.com.

    Arrival Procedure

    Check�in time is anytime after 5:00 pm on Sunday. Specific packet pick�up instructions are in your arrival information email. Please sign in on the posted sheet when you pick up your packet. YOUR APARTMENT ADDRESS AND PHONE NUMBER ARE NOT AVAILABLE PRIOR TO CHECK�IN. Please use the Aspen Center for Physics contact information for shipping packages, forwarding mail, etc. Check�out time is no later than 10:00 am Sunday.

    Visa Information

    If you need a letter of invitation to process your visa, contact Jane Kelly at jane at aspenphys.org. Be sure to allow enough time for the visa process.