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A: What we do know is this: Just getting to the remote Seal River can be an adventure in itself. For starters, you'll need to get yourself to Winnipeg--American Airlines flies via Chicago, where you can either catch a flight north to Thompson on Canadian Airlines or pick up a rental car and do the 400-mile drive yourself. From Thompson, Churchill-based Diamond Lake Outfitters (204-675-8875) will fly you, one other person, and your canoe up to your put-in point for about $3.50 per mile; Diamond Lake also rents canoes for $200 per week. Depending on where you start, you'll have anywhere between two weeks and a month on the river before emerging into the mouth of Hudson Bay. Even if you paddle along the shoreline, dangerously high waves and erratic tidal changes in the 48,000-square-mile Hudson Bay make the crossing to Churchill extremely treacherous, so you'll need to schedule a pick-up with Diamond Lake Outfitters ahead of time; expect to pay about $400 for the two of you and your canoe. If all of this sounds too complicated to do on your own, sign onto a seven-day group trip with Wilderness Odysseys; the owner, David Koritko, runs several trips a year, but unfortunately we were unable to reach him for trip specifics and prices. For travel information, contact Travel Manitoba at 800-665-0040, or call Wilderness Odysseys at 800-443-6199 for itineraries and upcoming departure dates.