In terms of the Alvord Desert, many people travel to these remote campsites near the hot springs in campers and cars. While the roads are gravel, they are often in good condition, but keep an eye out on weather as your trip nears, as heavy rains can change those conditions. The Alvord is really a beautiful spot, and if you are traveling in Southeast Oregon, you will find a lot of available access to campsites in the region. Let me know if you have any other questions, and enjoy visiting the wilds of Oregon!