Email: info@lewisandclark.org
Phone: 888.701.3434 and 406.454.1234
Business Hours:
W-F 9:00 AM to 5:00 PM (Mountain Time)
Mailing Address:
Lewis and Clark Trail Heritage Foundation, Inc.
P.O. Box 3434
Great Falls, MT 59403
We are physically located within the Lewis and Clark National Historic Trail Interpretive Center at 4201 Giant Springs Road, Great Falls, MT 59405.