At the beginning and end of the many ice ages, local glaciers carved out cirques, where we now find Botnavatnet and most of the other bigger lakes in Fitjarfjella. Innermost i Botnavatnet one finds a moraine ridge deposited by a local glacier in the Younger Dryas Period 12 000 years ago. (Svein Nord)
Botnavatnet
BOTNAVATNET - A RESULTOF EFFECTIVE GLACIER WORK