Sarppala is a modern rental cottage located on a lovely natural plot, which is self-sufficient in terms of energy. The cottage is not connected to the electricity grid, but has automated building technology, which includes solar panels, a generator and a battery, all devices work like in cottages connected to the grid. 72 km north of Heinola, Iso Kalliojärvi 20 m (length 1.5 km, width 0.2 km), deep beach, 2.5 m of water at the pier, rowing boat. Log cottage 2021, living room and kitchen, two bedrooms, both with a double bed, toilet, shower in the bathroom, wood stove in the sauna. The kitchen has a gas hob, oven-microwave combination and other devices are electric. Gas grill and electric smoker on the terrace.