Fort Terrett was a

U.S. Army The United States Army (USA) is the primary land service branch of the United States Department of Defense. It is designated as the Army of the United States in the United States Constitution.Article II, section 2, clause 1 of the United Stat ...

post from 1852 to 1854, later the site of a ranch, an historic locale in

Sutton County, Texas Sutton County is a county located on the Edwards Plateau in the U.S. state of Texas. As of the 2020 census, the population was 3,372. Its county seat is Sonora. The county was created in 1887 and organized in 1890. Sutton County is nam ...

, United States. Originally named "Post on the Rio Llano", "Post on the North Fork River Llano", or "Camp Lugubre", it was renamed in 1852 after Lt John Terrett. Terrett was killed in the

Battle of Monterrey In the Battle of Monterrey (September 21–24, 1846) during the Mexican–American War, General Pedro de Ampudia and the Mexican Army of the North was defeated by the Army of Occupation, a force of United States Regulars, Volunteers, an ...

in 1846. Lt. Col. Henry Bainbridge established the camp in February 1852 for protection for the settlements and travelers along the Upper El Pao-San Antonio Road. It was located along the North

Llano River The Llano River ( ) is a tributary of the Colorado River, about long, in Texas in the United States. It drains part of the Edwards Plateau in Texas Hill Country northwest of Austin. Two spring-fed tributaries, the North and South Llano, stret ...

in Sutton County. The post was abandoned in February 1854 the troops locating farther to the west and north on the advancing frontier. The fort buildings were then used for the Terrett Ranch. Even though the forts were officially abandoned, Major Jones commanded a search group composed of part of Captain Coldwell's company and 30 individuals from the Fort Terrett area in 1875. He had searched the area thoroughly as it had been reported that the old Fort or vicinity was being used as the primary camp by an organized band of horse thieves and robbers. Major John B. Jones' company was searching for the thieves that drove stolen stock towards the head of the Llano in order to change the brand. The newly rebranded cattle were then separated into groups and then taken to different cities to sell. Major Jones felt that this group included the Llano Springs robbers. His company had captured one of thieves who had been wounded near Kerrville and provided some of the incriminating information about this band of 60 or 70 criminals. After searching for a week, Major Jones wrote from Menard County that the searchers did find some suspicious individuals who were possibly confederates of the thieves and robbers. He gave these individuals a warning that they would be occasionally visited by the Texas Rangers to ascertain if they had received any stolen property or were harboring any criminals. The state of Texas constructed a site marker, now located off CR 307 near

I-10 Interstate 10 (I-10) is the southernmost transcontinental highway in the Interstate Highway System of the United States. It is the fourth-longest Interstate in the country at , following I-90, I-80, and I-40. It was part of the originall ...

, Exit 429. from Handbook of Texas Online, "Camp Terrett," accessed January 09, 2017
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References

Sutton County, Texas Ghost towns in West Texas Locale (geographic) {{US-ghost-town-stub