Please see the following link for a map, GPS points, and rules and regulations for Denali National Park and Preserve.
This includes the Broad Pass/ Cantwell area, Petersville Road, and Stampede Road.
http://www.nps.gov/dena/planyourvisit/snowmobiling.htm
The former Mt. McKinley National Park is never open to Snow Machine use.
Have fun and be safe out there, but make sure you know where and when you can go.
Denali National Park and Preserve
Moderator: john