Virginia Ridge and Valley Act of 2005 - Designates certain lands in the Jefferson National Forest, Virginia (Brush Mountain and Brush Mountain East, Seng Mountain and Raccoon Branch, Stone Mountain, Hunting Camp Creek and Garden Mountain, Lynn Camp Creek, Mountain Lake Additions, Lewis Fork Addition and Little Wilson Creek Additions, Shawvers Run Additions, Peters Mountain Addition, and Kimberling Creek Additions) as wilderness.
Designates Seng Mountain and Raccoon Branch, and Bear Creek, as National Scenic Areas (Areas). Establishes such Areas for purposes of: (1) ensuring the protection and preservation of scenic quality, water quality, natural characteristics, and water resources; (2) protecting wildlife and fish habitat; (3) protecting areas that may develop characteristics of old-growth forests; and (4) providing a variety of recreation opportunities.
Directs the Secretary of Agriculture to: (1) administer such Areas in accordance with this Act and the laws and regulations generally applicable to the National Forest System (NFS); (2) develop a management plan for such Areas; and (3) establish a trail for NFS lands to develop hiking and equestrian trails within the wilderness areas and non-motorized recreation trails within the Areas. Sets forth provisions regarding roads, vegetation management, motorized travel, fire, insects and disease, water, and mining and geothermal leasing.