Geological age ~11,700 years ago - present.
Epoch Holocene (Meghalayan age); Quaternary period.
Native lands Ishak (Atakapa-Ishak) · Akokisa (Eastern Atakapa) peoples; Gulf coastal territory occupied continuously since the end of the last Ice Age.
Displacement & Tenure No federal cession treaty identified for Atakapa-Ishak territory in coastal southeast Texas; the Atakapa-Ishak hold no ratified treaty with the United States and are not federally recognized; park site purchased by the State of Texas in 1972 from the Planet Oil and Mineral Corporation and Horizon Sales Corporation; the park opened in 1977 and was closed following Hurricane Rita (2005) and Hurricane Ike (2008), reopening in 2010.
Shadow History The park was purchased in 1972 from the Planet Oil and Mineral Corporation; active oil rigs remain visible from the park beach, and the site lies within Jefferson County, where the Spindletop salt dome discovery of 1901 launched the modern petroleum industry; the park's tidal marsh system is hydrologically connected to multiple federal hazardous waste sites in the Port Arthur-Beaumont corridor, including the Star Lake Canal Superfund site and contaminated wetlands from a former Chevron refinery; Hurricanes Rita (2005) and Ike (2008) drove refinery and tank farm spills totaling approximately 8 million gallons across the region before the park reopened in 2010.
Ecology Tidal salt marsh; chenier ridge; Gulf beach; critical migratory bird corridor (Central Flyway).
Hydrology Gulf of Mexico shoreline; Sabine Lake; Intracoastal Waterway; tidal marsh drainage.
Acreage 15,109 acres
GPS 29.6776° N, 93.9308° W
Sea Rim State Park I · 2026-01-09
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Caprock Canyon State Park →
Public Lands Institute — ongoing project
CC0 Public Domain
