GPS MarCum Posts RAINY RIVER, YOUR FIRST CHANCE AT OPEN WATER WALLEYE 03/14/2022 / 03/15/2022 by marcum-tech Long before the inland lakes of Minnesota are free from ice, moving water draws thousands of anglers back into their boats for a chance at some border walleye. Every spring, the historic Rainy River sheds its winter coat and gives anglers the freedom to fish open water once again. Thousands upon thousands of walleye leave Lake of the Woods and head upstream towards International Falls to complete their annual spawning run. And no rain, snow or sleet will stop some of the die-hard walleye anglers from dropping their jigs into the icy water in hopes of catching a giant walleye. Read more » Boating MX-7GPS Rainy River Steve Mattson Universal Open Water Transducer Walleye