The park is open every day, visitor centers are closed on Christmas Day. Local taxi, shuttle and rental car service are available from the airport. Reserve your rental car when reserving your flight.
Rentals are often in short supply.
Visitors may travel west from Riverton, WY, or Casper, WY, over Togwotee Pass and thence into the park's east entrance. Visitors may also travel south from Yellowstone National Park, the John D. Rockefeller, Jr., Memorial Parkway and through Grand Teton's north entrance. No public bus or rail service is available to Jackson or Grand Teton National Park. Bus and rail travel arrangements will involve travel by taxi or rental car from considerable distances. The first heavy snows fall by November 1 and continue through March with snow and frost possible during any month.