Olla in LaSalle Parish, Louisiana — The American South (West South Central)
Town of Olla
Settled prior to the American Civil War, the Town of Olla was known as Castor Sulfur Springs. and a steamboat port on Bayou Castor was its original site. In 1891, the Houston. Central Arkansas. and Northern Railroad came to what was then northwest Catahoula Parish to construct a railroad more than a mile away from Castor Sulfur Springs. At this time. a new town was laid out and named for Olla Mills, a well educated, attractive and accomplished young lady, who was instrumental in community activities. The Town of Olla was officially incorporated on August 1, 1899, with Dr. William V. Taylor III as its first Mayor. Olla is the site of the only documented train robbery in Louisiana. which occurred in August of 1900. It is known for its excellent natural groundwater, which became the site of the Olla Bottling Works during the 1920's. The formation of the Olla State Bank in 1906 helped secure economic viability to the region that supported area sawmill payrolls and survived the Great Depression until its merger in the 1980's. The discovery of the Olla Oil Field in 1938 also helped foster new growth and economic sustainability. Olla continues to be a regional hub for banking and is heavily involved with the forestry and petroleum production industries.
Topics. This historical marker is listed in this topic list: Settlements & Settlers. A significant historical date for this entry is August 1, 1899.
Location. 31° 54.213′ N, 92° 14.572′ W. Marker is in Olla, Louisiana, in LaSalle Parish. It is on Front Street (Louisiana Route 125) close to Central Avenue ( Route 127), on the left when traveling north. Touch for map. Marker is at or near this postal address: 2962 Front St, Olla LA 71465, United States of America. Touch for directions.
Regionally, this marker is in the American South and specifically in the Deep South. Globally, it is in North America, a Gulf of Mexico state, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it finds itself in what was once the territory of the Mississippian Culture, the Louisiana Purchase, one of the Confederate States of America, and the Antebellum South.
Other nearby markers. At least 6 other markers are within 18 miles of this marker, measured as the crow flies: Village of Georgetown (approx. 13 miles away); First United Methodist Church (approx. 17 miles away); Caldwell Parish Veterans Memorial (approx. 17.1 miles away); Columbia (approx. 17.1 miles away); Bobby Bridger (approx. 17.2 miles away); Ouachita River Steamboat Era (approx. 17.2 miles away).
Credits. This page was last revised on July 20, 2026. It was originally submitted on March 28, 2024, by Cajun Scrambler of Assumption, Louisiana. This page has been viewed 1,087 times since then and 157 times this year. Photos: 1. submitted on March 28, 2024, by Cajun Scrambler of Assumption, Louisiana. 2. submitted on March 29, 2024, by Cajun Scrambler of Assumption, Louisiana.

