Son's river ranch spans 168 acres along the san marcos river near kingsbury, texas — a short drive from austin, san antonio, and new braunfels.. 4 ways to enjoy a daycation at son's river ranch pick your perfect san marcos river day — tubing, kayaking, riverside cabanas, or covered picnic tables.
Compare overnight stays at son's river ranch:. Glamping cabins, safari cabins, bell tents and byo tent sites — beds, capacity and rates from $29.