36 C.F.R. § 13.1318

(a) A map showing the boundaries of the EGDA is available at the park visitor center.

(b) For the purpose of this subpart, the EGDA means:

(1) From the park boundary to Exit Glacier Campground Entrance Road, all park areas within 350 meters (383 yards) of the centerline of the Exit Glacier Road;

(2) From Exit Glacier Campground Entrance Road to the end of the main paved trail, all park areas within 500 meters (546 yards) of any paved surface; or

(3) All park areas within 300 meters (328 yards) of the terminus of Exit Glacier.