Seguin Walnut Springs Park, Protected area in Seguin, Texas

Seguin Walnut Springs Park is a network of walkways and bridges along Walnut Branch, a spring-fed tributary of the Guadalupe River in downtown Seguin, Texas. The Civilian Conservation Corps built curving stone retaining walls, stepping-stone dams, low falls and pools along the waterway in 1933. Most of the park lies about two stories below the downtown streets.

The park's infrastructure was built in 1933 by the Civilian Conservation Corps, which constructed stone retaining walls and created paths along the natural waterway. These Great Depression-era improvements shaped many of the features visitors see today.

The park holds the designation of Lone Star Legacy Park from the Texas Recreation and Park Society, reflecting its importance to locals. Visitors can observe how natural pathways and gathering spaces encourage people to spend time in nature together.

The walkways run along Walnut Branch from downtown Seguin, with entrances near Court Street and the pedestrian bridge whose plaques record the 2011 completion. The central section sits about two stories below street level, reached by stairs and sloping paths, so the route is not a flat loop. The tree canopy and flowing water keep the lower path cooler than the streets above.

The park descends two stories below downtown street level, creating a distinct microclimate where native trees and plants thrive in moist soil conditions. This sunken setting gives visitors the feeling of stepping into a hidden world separated from the city above.