For volcano enthusiast or maybe for curious visitors, Ketep Volcano Theater is a worth visit. The movie about Mt Merapi, one of the most active volcano on earth is played in this theater with 78 seats capacity. The documentary movei gives description about the climbing tracks, Garuda Peak of Mt Merapi research and the formidable eruptions of Merapi.
There is also Ketep Volcano Centre that displays miniature of Mt Merapi with interactive computer system for volcano documents, and stones ejected by Mt Merapi from time to time.
Pelataran Panca Arga is the highest spot in Ketep Pass. Panca means 5 and Arga means mountains. From this spot 5 peaks in Central Java are visible emblazoned the scenery, they are Gunung Merbabu, Gunung Merapi, Gunung Sindoro, Gunung Sumbing and Gunung Slamet. And of course there are other less high peak can be seen too; Gunung Tidar, Gunung Andong, Gunung Pring, Bukit Menoreh,Dieng Plateau, Bukit Telowmoyo, etc. ( source: http://javaisbeautiful.com/ )