The Guadalupe River and Comal River in New Braunfels are the hot spot for all things fun on the river. This section of the Guadalupe River starting at the Canyon Lake Dam to the top of Lake Dunlap at IH 35 in New Braunfels is just over 23 miles is the most heavily used in terms of recreation for the entire Guadalupe River statewide. The Comal River is the shortest navigable river in Texas at just 2.5 miles. Many opportunities are available if you are considering Comal and Guadalupe River lots for sale. And the refreshing Guadalupe River and Comal River is the best place to beat the Texas Heat! Stay up to date with auto listing notifications (just listings, no junk email). Contact us with any interest in riverfront properties.