Forest Service Partnership Enhancement Act of 2006 - Authorizes the Secretary of Agriculture, in connection with the administration of Forest Service activities on and near National Forest System (NFS) lands, to enter into agreements with cooperators for the mutual benefit of parties to the agreement for specified activities, including for: (1) developing, conducting, producing, or selling education and interpretive materials, products, programs, and services; (2) constructing, maintaining, and operating facilities; (3) selling health and safety convenience products and photography supplies; (4) collecting funds from the sale of materials, products, programs, and services; (5) activities to restore and maintain ecological integrity and biodiversity of NFS lands; (6) watershed restoration and enhancement activities on NFS lands, or on other lands that benefit resources on NFS land within the same watershed for protecting, restoring, and enhancing resources or reducing risk from natural disaster where public safety is threatened; and (7) such other cooperative activities as the Secretary considers to be appropriate.
Amends the National Forest Foundation Act to: (1) double the number of members who shall serve on the Board of Directors of the National Forest Foundation; (2) extend to October 1, 2006, the provision of matching funds for administrative and project expenses incurred by the Foundation; and (3) extend for the five-year period beginning on October 1, 2006, the authorization of appropriations for the Foundation to match private contributions made to it.