Sareyn Sareyn Sareyn (, also Romanized as Sar‘eyn, Sara’eyn, Sar‘eīn, Sar ‘Eyn, and Sarein) is a city in and the capital of Sareyn County, in Ardabil Province, Iran. Sareyn is known for its hot springs. The population is about 8000, and increases to more than 20000 in the summer because of the many tourists who go there due to the charming climate. It stands 25 km from Ardabil and total area is 1.28 square km. At the 2006 census, its population was 4,478, in 1,135 families. The Sareyn springs are near an inactive volcano in mount Sabalan and its water contains
Wonchi (volcano) Wonchi (volcano) Wonchi is a volcano located west of Addis Ababa, Ethiopia. At above sea level, it is the highest volcano in Ethiopia, from Mount Dendi, Ethiopia's second highest volcano. Wonchi is located at equal distance between the towns of Ambo and Woliso. The volcano has a wide caldera, and a single crater lake, Wonchi lake, about below the rim of the volcano. Study of Wonchi's caldera is incomplete; initial findings show it could be as much as deep, and the lake itself could be as deep as . Besides Wonchi lake, the caldera also contains hot springs, waterfalls, valleys,