Akopan (also spelled Acopan) is a giant Tepui (flat-topped plateau with steep drops) that belongs to the massif of Chimanta in Venezuelan state of Bolivar. Composed mainly of sandstone, rises to 2100 meters and has become a major point for climbing in the area. The tepui is a kind of inverted "u" in the middle of which born and descends the Yunek river, which also serves as the way of ascent to the summit without the use of climbing equipment.

The beginning of this fabulous ascent is in the population of Yunek, about 80 people constitute this small town located on the shore of the river with the same name and whose economy is based on planting and in the tourism of climbing that has been boosted to the fabulous tepui which, like giant, stands guarding at the beautiful valley.