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Congressional Research Service
Version 01 · Reported to Senate with amendment(s) · Jun 16, 2008
Rocky Mountain National Park Wilderness and Indian Peaks Wilderness Expansion Act - (Sec. 3) Designates certain lands in Rocky Mountain National Park, Colorado, as wilderness (the Wilderness) and as a component of the National Wilderness Preservation System. Provides for the inclusion of specified potential wilderness land in the Wilderness. Excludes specified land from such Wilderness.
Sets forth provisions: (1) for the administration of any land designated as wilderness under this section or added to the Wilderness after enactment of this Act; and (2) regarding water rights and fire, insect, and disease control.
(Sec. 4) Sets forth provisions: (1) governing continued operations at the Grand River Ditch; and (2) concerning the Alva B. Adams Tunnel and other Colorado-Big Thompson Project facilities.
Showing the opening paragraphs of the official summary.
(Sec. 5) Directs the Secretary of the Interior to establish an alignment line and identify the boundaries for the East Shore Trail within the East Shore Trail Area. Authorizes necessary adjustments in such boundaries to protect resources, if the adjustment would not place any portion of the Trail in such Wilderness. Includes any portion of the Area that is not traversed by the Trail, that is not west of the Trail, and that is not within 50 feet of the centerline of the Trail in such Wilderness.
Prohibits any use of motorized vehicles and other motorized machinery in the Area that was not permitted on March 1, 2006. Requires the Area, until the Secretary authorizes the construction of the Trail and the use of it for non-motorized bicycles, to be managed to: (1) protect any wilderness characteristics; and (2) maintain the suitability of the Area for inclusion in the Wilderness.
(Sec. 6) Amends the Indian Peaks Wilderness Area, the Arapaho National Recreation Area and the Oregon Islands Wilderness Area Act to adjust the boundaries of: (1) the Indian Peaks Wilderness Area; and (2) the Arapaho National Recreation Area.
(Sec. 7) Applies provisions governing leases of National Park System buildings and property to property known as the Leiffer tract near the Park's eastern boundary in Larimer County, Colorado.
People & committees
Sen. Salazar, Ken [D-CO] · D–CO
Legislative record
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Placed on Senate Legislative Calendar under General Orders. Calendar No. 790.
Committee on Energy and Natural Resources. Reported by Senator Bingaman with an amendment in the nature of a substitute. With written report No. 110-358.
Committee on Energy and Natural Resources. Reported by Senator Bingaman with an amendment in the nature of a substitute. With written report No. 110-358.
Committee on Energy and Natural Resources. Ordered to be reported with an amendment in the nature of a substitute favorably.
Committee on Energy and Natural Resources Senate Subcommittee on National Parks. Hearings held. With printed Hearing: S.Hrg. 110-158.
Read twice and referred to the Committee on Energy and Natural Resources.
Introduced in Senate
Primary sources
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Source last updated: Sep 8, 2026. Consult Congress.gov for the current record.
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