Daheeyeon (Organic green tea garden's Brand name) Daheeyeon is located in the clean area of Jeju Island and is beautifully placed inside the lava cave of Geomunoreum, which is a world heritage site. Daheyeon is a complex theme park with organic green tea fields, cave cafes, tea museums, restaurants, zip lines, electric carts, and segways. Inside vast green tea field, you can enjoy various kinds of green tea, experience programs, cave cafes, tea ceremony education etc. You can also ta