Seminole Canyon State Park and Historic Site is a state park in the U.S. state of Texas. It is located off U.S. Route 90, east of the Pecos River High Bridge, 9 miles (14 km) west of Comstock in Val Verde County. The park is conducive to camping, biking, bird watching, back packing and archeological study. Cave art and archeological artifacts date back to the earliest human habitation in the area. The park is part of the larger Seminole Canyon Archeological District on the National Register of Historic Places.

U.S. Route 90 is a major east–west highway in the U.S. state of Texas with large portions of it running concurrently with I-10. US 90 begins at Bus. I-10 in Van Horn, travels through San Antonio and Houston, and continues on into the state of Louisiana.