Than are treated here. Chemical composition of groundwater of the Karelian hydrographic district is very varied: salinity, presents from ultrafresh water (less than 100 mg/l) to brackish (1000 mg/l).
On the territory of the Kondopoga district, 54 km North of Petrozavodsk is the first Russian resort of Mar special water, founded by Peter I in 1719 on the base of chalybeate springs.
Peter I repeatedly came to be treated at the resort with his family and court nobility. Time to the first arrival of the king were built three wooden Palace (hence the original name of the village — Palaces) for the Royal family and a large building with 20 rooms and the earthen hall, connected with springs. Since glandular sources are called “Marcial waters” in honor of Mars — God of war and iron.
Climate. The climate of Karelia is Central to the influence of Arctic and North Atlantic. Constant (over two-thirds of the year), the movement of masses of air in the direction “West — East”, large clouds, high humidity (average 80%) characterize the climate as cold temperate, transitional from Maritime to continental. The average temperature of the coldest months up to -13°C, Continue reading