Fentress, Texas is a small town located in Caldwell County with a population of around 200 people. The climate is considered humid subtropical, with hot summers and mild winters. The town is located near the San Marcos River and the Edwards Aquifer, making it a popular spot for outdoor recreation such as kayaking, tubing, and fishing. In terms of hydrology constituents, the area is known for its limestone formations and karst topography, which can lead to sinkholes and groundwater contamination. Overall, Fentress offers a small-town feel with access to natural amenities for those seeking outdoor adventures.