1) Hill of South Korea 2) Hill in South Korea 3) Mountain of South Korea 4) Mountain of Ulsan 5) Mountain in Asia 6) Mountain of Asia 7) Mountain in South Korea 8) Peak in South Korea 9) Peak of South Korea 10) Prominence of South Korea 11) Prominence in South Korea 12) Tourist attraction in Ulsan Found on https://www.crosswordclues.com/clue/gajisan