The lake is better for numbers and average size, there are a few bigger trout fed walleye in the river about the same length that you can catch in the lake and they may have about 1.5 pounds of extra weight compared to the fish in the lake at around the 25 inch mark. The biggest fish that I have caught in the river was only 27 inches but had 2 trout in the belly and was fat just at 9 pounds (football), but It is hard work to catch them and really not worth the money and effort to catch them compared to the lake.