Gwangchigi Beach sits between Seongsan Ilchulbong and Seopjikoji, across from Ojo Port in Seongsan, Seogwipo. Black sand and lava rock meet green algae here, and Seongsan Ilchulbong is visible, making it a spot for sunrise and reflection photographs. At low tide the submerged floor and rock formations are exposed, and the beach marks the end of Jeju Olle Route 1 and the start of Route 2. Winds are strong and the mossy rocks are slippery, so dress warmly and watch your step.