Green Lake is placed in georgian area called Adjaria (GPS coordinates are 41.67528172595, 42.499444294049724). It has a volcanic origin with no fishes nor any other living creatures living in it. Water is always cold (16-18 Celsius scale), doesn`t froze in winter and suitable for drinking. Lake`s altitude above sea level is 2035 meters.

P.S.: Pentax K20 with Tamron 28-75 F2,8.