Colorado offers some of the best fishing in the country with various angling destinations throughout the state. Popular areas include the South Platte River, Arkansas River, and the San Juan River. Colorado's high-altitude lakes and reservoirs are also great spots for fishing. The state has a diverse range of fish species, including trout, bass, pike, catfish, and more. The best time to fish in Colorado is generally from late spring to early fall, with temperatures ranging from the 60s to 80s Fahrenheit.

For trout fishing, fly fishing is the most popular method, with dry flies and nymphs being effective depending on the season. Spinnerbaits and crankbaits are great for bass fishing, while spoons and jigs are recommended for pike. Colorado is home to some of the largest trout in the country, including the rainbow, brown, and cutthroat trout.

Interesting fishing facts about Colorado include that the state record for the largest brown trout caught is 30 lbs 8 oz, caught in the Arkansas River. Colorado also has a unique program called "Cutt Slam," where anglers catch all four species of cutthroat trout in the state, earning a certificate and bragging rights. Overall, Colorado offers excellent fishing opportunities for anglers of all levels and interests.