Devils River State Natural Area is a protected natural area in Val Verde County, Texas. It spans over 37,000 acres and is home to a unique ecosystem consisting of steep limestone cliffs, crystal-clear water, and diverse wildlife.

One of the main reasons to visit Devils River State Natural Area is to enjoy its scenic beauty and outdoor recreational activities. Visitors can go hiking, fishing, kayaking, and camping in the area. The river itself is a popular spot for kayaking and fishing, with its clear waters and large populations of bass and catfish.

There are also several points of interest to see in the area, including the Dolan Falls, a 15-foot waterfall that is one of the largest in Texas. Other notable features include the Devil's River Canyon, a deep and narrow gorge that offers breathtaking views of the surrounding landscape, and the Devil's River State Natural Area headquarters, which houses a visitor center and museum.

Interesting facts about Devils River State Natural Area include its designation as a UNESCO World Heritage Site due to its unique geological and ecological features. It is also considered one of the last unspoiled, spring-fed rivers in Texas, with water so clear that it is often compared to the Caribbean Sea.

The best time of year to visit Devils River State Natural Area is in the spring and fall, when temperatures are cooler and the river is less crowded. However, visitors should be aware that the area can be prone to flash floods and extreme weather conditions, so it is important to check weather reports before planning a trip.