| Grand Gulf State Park | |
|---|---|
&sq=Albert Einstein&lang=en&file=File:Grand_Gulf_cave_1-02Aug07.jpg) Water entering this cave reappears nine miles (14 km) away at Mammoth Spring. | |
&sq=Albert Einstein&lang=en&file=File:USA_Missouri_relief_location_map.svg)  Location in Missouri &sq=Albert Einstein&lang=en&file=File:Usa_edcp_relief_location_map.png) Grand Gulf State Park (Missouri) (the United States) | |
| Location | Oregon County, Missouri, United States |
| Coordinates | 36°32′39″N 91°38′48″W / 36.54417°N 91.64667°W[1] |
| Area | 321.96 acres (130.29 ha)[2] |
| Elevation | 646 ft (197 m)[1] |
| Established | 1984[3] |
| Administered by | Missouri Department of Natural Resources |
| Visitors | 57,524 (in 2022)[4] |
| Website | Official website  |
Grand Gulf State Park is a state-operated, privately owned and publicly accessible, geologic preserve near Thayer, Missouri, United States, encompassing a forked canyon that is the remnant of an ancient collapsed dolomite cave system.[5] The land that is now the park was acquired by conservationist Leo Drey (1917–2015) before becoming part of the Missouri state parks system. The 322-acre (130 ha) state park has been operated by the Missouri Department of Natural Resources under a lease agreement with the L-A-D Foundation since 1984.[6] Grand Gulf was declared a National Natural Landmark in 1971 as an excellent example of karst topography and underground stream piracy.[7] A 60-acre (24 ha) portion of the park was designated by the state as the Grand Gulf Natural Area in 1986.[8]
- ^ a b "Grand Gulf". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
- ^ Cite error: The named reference
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