The lake freezes in late October
The Umbosero (Russian Умбозеро ) is a lake on the Kola Peninsula in the Murmansk Oblast in Russia. He is after his discharge, the Umba, named.
The lake is located between the Chibinen massif in the west and the Lovozero Tundra in the east. The area of the lake fluctuates 313-422 km ², its water level fluctuates by 1.2 m per year. It is the lowest in May and in July, the highest water level. Its average depth is 15 m, the maximum depth of 115 m.
The lake freezes in late October.