Valley Spring is an unincorporated community in Llano County, Texas, United States.

Phillips son, W.O., established a cotton gin and sawmill on the ranch in 1860.

Locals started referring to the community as Whistleville after the mill's summoning work whistle.

[3] Less than a mile from Whistleville, Davie Owen opened a competing mill and gin.

[5] Public education in the community of Valley Spring is provided by the Llano Independent School District.