Its greatest resource is probably its database of thousands of used RVS for sale. Online A site by RVers for RVers. In addition to campgrounds in and near the national parks, you can choose from chain hotels and motels with modern appliances to rough and rugged wilderness camps with kerosene lamps instead of electric lights. Cabins with housekeeping facilities are one of the most popular types of lodging. At some of the most desirable hostelries, such as the Jenny Lake Lodge in Grand Teton National Park and El Tovar in Grand Canyon National Park, guests are known to make reservations for the next summer as they check out.
Prices are usually the highest in summer.
Summer is without question the busiest time of the year, so be prepared to deal with full parking lots and traffic jams. If you must travel during this time, go early or late in the season to avoid the midsummer peak. During winter, some northern parks close certain roads because of heavy snowfall. If the fee station is closed you may enter the park free, but consider making a donation to help maintain the park. The buildings within national parks, including visitor centers, are generally open daily from 9 to 5, but these times do vary from park to park and season to season.