(a) The following are prohibited:

(1) Group sizes exceeding 12 individuals on the east side of the park outside the Frontcountry Developed Area as defined by this subpart.

(2) Group sizes exceeding 6 individuals on the west side of the park outside the Frontcountry Developed Area as defined by this subpart.

(b) A map showing the east and west boundaries is available at the park visitor center.

(c) The superintendent may authorize larger groups on a case-by-case basis.