John D. Rockefeller, Jr. Memorial Parkway is a scenic road that connects Grand Teton National Park
and Yellowstone National Park in Wyoming
, United States
. It is federally owned and managed by the National Park Service.The parkway road itself extends from the northern end of Grand Teton
National Park, through the parkway lands, and then on to West Thumb Geyser Basin
in Yellowstone National Park, a distance of 27 miles (43 km). The 24,000-acre (97 km²) park is managed by Grand Teton National Park.Rafting is a popular activity during the summer and guided snowmobile tours use the parkway as a starting point for trips into Yellowstone during the winter.