Travelers are voting Østensjøvannet and Øyeren as the best lakes near Oslo. There are 10 lakes near Geilo a city just 241 km from Oslo and 13 lakes near Eidfjord which is 294 km distant. The most popular of these are Langesjøen near Geilo and Halnefjorden in Eidfjord. You can find 113 Lake in the country of Norway and Balvatnet is our members favorite Lake in all of Norway. Want more? Check out our map of lakes near Oslo.