We stayed at the Poroto Guide Lodge for one night right next to Lake Poroto. Tetsuji Hidaka has a beautiful house there and you can walk down to the lake and go birding at any time. We saw a family of 4 red-crowned cranes there as well as deer, sea eagles and grey herons all within a few minutes of arrival. If you are into birds, this is a great stop not far from Kushiro and right next to the ocean.