Coldspring is a city in San Jacinto County, Texas, United States. The population was 691 at the 2000 census. It is the county seat of San Jacinto County which is named after the river that traverses it and shares its name with the Battle which gave Texas its independence.
The history of Coldspring is linked to Stephen F. Austin's first colony in Texas which established, among other areas, San Jacinto County. Austin's original colony extended to the Trinity River watershed, roughly along Texas 156, toward Point Blank. After receiving a commission from the Mexican government to settle the area, Joseph Vehlein, a German immigrant to Mexico, deeded 640 acres (2.6 km2) to Robert Rankin, an American Revolutionary officer. This acreage included the site of Coldspring.
The settlement of Cold Springs (old spelling) began around 1850. In 1848, there existed only a trading post called "Coonskin", later "Fireman's Hill" nearby.