There are many hotels and motels within the City of Thunder Bay. If you're looking for a resort close to Thunder Bay, try Dog Lake where you'll find both housekeeping cabins and RV and trailer spots.
Lake Weikwabinonaw is about 1 hour southwest of Kakabeka Falls and less than a 2-hour drive from the Pigeon River US Border Crossing. You can rent a cabin or a seasonal RV campsite.
You can also fly out of Thunder Bay to fly-in outposts and lodges north of the city.