Gear up for your next hike or bike along the Great Allegheny Passage® at the West Mifflin Gander Mountain. Planning to visit Moraine State Park for some excellent warm-water fishing on Lake Arthur? Gander Mountain has an unbeatable selection of rods, reels, and live bait. And if hunting the grounds of Moraine State Park is more your speed, come see our wide array of firearms and bow packages. Archers, take advantage of our try-before-you-buy lane!