Amends the National Trails System Act to designate a trail system of approximately 1,000 miles in the State of Wisconsin as the Ice Age National Scenic Trail.
Permits the State of Wisconsin, in consultation with the Secretary of the Interior, to prepare a plan for the management of the trail which shall be deemed to meet the planning requirements of such Act if approved by the Secretary.
Specifies that authority to enter into contracts, to incur obligations, or to make payments under this Act shall be effective only to the extent, and in such amounts, as are provided in advance in appropriation Acts.