The "Rush" is probably the most popular trout stream in western Wisconsin. It has a well-known trico hatch and numerous other hatches that bring these eager fish to the surface. This is a brown trout river and holds some of the largest fish in Wisconsin. Fish in the 20 inch range aren't uncommon and a couple of fish in the 24-25 inch range are caught ever year. The majority of the fish are 12-14 inches and tend to congregate in the deeper pools. If you catch one fish in a pool, chances are that a couple more casts in the same pool will produce more fish. The larger fish become more active in the fall and it's not uncommon to spot them in the shallower water early and late in the day.