It's 10 m, the deepest spot is 60 m. 18. Yes, little rapids under the bridge near the school. No, it never dries. No, it doesn't. It doesn't freeze completely.
People rent boats.
Ships transport people. Beaches have life-savers. There are fishing places where you have to pay for fishing. Ships transport rafts of logs to sawmills. There are many summer cottages by the river or on the islands.