Adds new enumerated components (new numbered river entries and segments, e.g., South Fork Trinity River and multiple other river segments) to section 3(a) of the Wild and Scenic Rivers Act, thereby expanding the list of rivers and segments designated as components of the National Wild and Scenic Rivers System.

Makes targeted amendments affecting Congress-designated wilderness components and related statutory text: renames an existing wilderness unit and modifies boundaries and incorporations of certain lands into existing wilderness units.

Releases any portion of the Eden Valley Wilderness Study Area not designated as a wilderness area or wilderness addition by section 301(a) from the application of section 603(c) of the Federal Land Policy and Management Act (43 U.S.C. 1782(c)).