; (2) the designation of a new unit of special airspace over a wilderness area or addition; or (3) the use or establishment of a military flight training route over a wilderness area or addition. (g) Horses Nothing in this title precludes horseback riding in, or the entry of recreational or commercial saddle or pack stock into, a wilderness area or addition— (1) in accordance with section 4(d)(5) of the Wilderness Act ( 16 U.S.C. 1133(d)(5) ); and (2) subject to any terms and conditions determined to be necessary by the Secretary. (h) Withdrawal Subject to valid existing rights, the wilderness areas and additions are withdrawn from— (1) all forms of entry, appropriation, and disposal under the public land laws; (2) location, entry, and patent under the mining laws; and (3) operation of the mineral materials and geothermal leasing laws. (i) Use by members of indian tribes (1) Access In recognition of the past use of wilderness areas and additions by members of Indian Tribes for traditional cultural and religious purposes, the Secretary shall ensure that Indian Tribes have access to the wilderness areas and additions for traditional cultural and religious purposes. (2) Temporary closures (A) In general In carrying out this section, the Secretary, on request of an Indian Tribe, may temporarily close to the general public 1 or more specific portions of a wilderness area or addition to protect the privacy of the members of the Indian Tribe in the conduct of the traditional cultural and religious activities in the wilderness area or addition. (B) Requirement Any closure under subparagraph (A) shall be made in such a manner as to affect the smallest practicable area for the minimum period of time necessary for the activity to be carried out. (3) Applicable law Access to the wilderness areas and wilderness additions under this subsection shall be in accordance with— (A) Public Law 95–341 (commonly known as the American Indian Religious Freedom Act ) ( 42 U.S.C. 1996 et seq. )