Mount Wilson Observatory Preservation and Enhancement Act

Mount Wilson Observatory Preservation and Enhancement Act - Directs the Secretary of Agriculture to convey to the Mount Wilson Institute a 110-acre parcel of real property in the Angeles National Forest in California containing the Mount Wilson Observatory and related roadways, parking lots, and public facilities administered by the Forest Service. Recognizes the Institute's unique qualifications as the best possible steward to operate, maintain, preserve, and enhance the observatory for scientific, educational, historical, and other public purposes.

Provides that: (1) the conveyance shall be subject to the terms of the existing lease between the Forest Service and the Carnegie Institution of Washington regarding the land to be conveyed; and (2) the Institute shall assume the obligations of the Forest Service under the lease.