In general, permits are required for activities that may inhibit the use of the park by others, that may damage or remove artifacts, for research, or for groups larger than 25 people. There are areas set aside specifically on NPS managed lands (Coldwater Spring) for first amendment expression. See the Superintendent's Compendium 36 CFR §1.6 –Activities that Require a Permit.
111 E. Kellogg Blvd., Suite 105
Saint Paul, MN 55101
This is the general phone line at the Visitor Center, which is staffed every day except Mondays. Please leave a voicemail if we miss your call and expect a return call within 1-2 days.