By Car from New Jersey:

Take the Garden State Parkway North to Interstate 78 East at the Union toll plaza.

Interstate 78 East to the NJ Turnpike North at Exit 14.

NJ Turnpike North to Interstate 80 to the last exit before the George Washington Bridge toll (this will be in Fort Lee).

Take Route 9W for 10 miles to Camp Alpine (it will be on your left).