emerald green river flows into a cave, pedernales falls state park, burnet tx

geological pond texas hill country wall limestone granite rock formations creates cave hole reflections green pedernales falls state park water geology formation river terrain cliff reflection nature wilderness stream canyon emerald pool flows burnet riverflows shallow creatng feeling beautiful reflects emerald-green hours enjoyment studing wonders textured rocks stone eroded erosion mirrored cave studying rocks located texas visit website reservations required entry