Arapaho National Recreation Area is one of the best places to fish in Colorado. This area includes Lake Granby, Willow Creek Reservoir where you can catch Rainbow and Brook. Grand Lake is another place to fish in the Arapaho National Recreation Area and this lake is considered as one of the best lake trout fisheries in the state. Brown Trout, Rainbow and Kokanee Salmon can be fished in this lake. The rainbow fishing is considered to be the best in the spring.
Blue Mesa Reservoir is another good place to fish. This is located near Gunnison, Colorado. You can catch Kokanee Salmon, rainbow Trout, Mackinaw and Brown Trout here. Eleven Mile Reservoir and Eleven Mile State Park are also considered as the two great places to fish in Colorado.
The Colorado Basin is a place where you can have access to fly fish. There are many other rivers within this Basin where you can enjoy fly fishing. Eagle River, Frasier River, Williams Fork River are all at a short distance from Downtown River. The most exciting thing to mention is that you can fish from a drift boat in the Colorado River.