From Austin (see map)

• Start at Highway 290 and I-35
• East on 290 (2 miles)
• South on 183 (24.3 miles)
• Right on State Park Road or Hwy 20
• Left on County road 126
• Left on Sierra Road
• Dead end into entrance

From San Antonio (see map)

• North on I-35
• Right on Highway 80
• Left on State Park Road or Hwy 20
• Right on County Road 126
• Left on Sierra Road
• Dead end into entrance

From Houston (see map)

• West on Highway 10
• Right on 183
• Left on State Park Road
• Left on County Road 126
• Left on Sierra Road
• Dead end into entrance

(larger map)