Located in Kosewo on the Probarskie Lake and surrounded by greenery, Gościniec Lech offers accommodation with free Wi-Fi and boat and mountain bikes rental. The town of Mrągowo is 8 km away.
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Lech and his wife are phenomenal. The location near the lake is great. Kosewo is a small village, but it's really close (~10 minute drive) to Mrągowo if you need something in the city. We had a very nice time and if you want a nice place to relax you'll probably enjoy yourself here as well.