|Highest elevation||876 m (Mount Jadevuori)|
||87 people / km²|
Itäsaari is an island in the east of the Trigunian Islands.
The climate in the southern part of the moderately cold in the North - subarctic marine, moderated by a warm current, it allows for navigation all year round. Characteristic of the polar night in winter, in summer - the polar day. The average temperature of the coldest months (January-February) ranges from -8 degrees to the north of the island (the influence of warm currents) to -12-15 degrees in the central regions. In the summer, respectively, 8 degrees and 14 degrees. Frosts are possible any day of the summer, in June of frequent snowfalls. At the seaside and mountain plateaus frequent strong winds (gusts up to 55-60 m / s). Snow lies on average since the mid-late October to mid-May (in the mountains in late September-early October to early-mid June).
Relief of the island
Relief the Itäsaari is a basin, terraces, mountains and plateaus. Mountain ranges of the island rises above sea level to more than 800 meters. The plains of the Itäsaari occupy marshes and numerous lakes. Reservoirs of the island and the sea washing its various rich in fish.