MORE: Here's how to kayak Arizona's famous Horseshoe Bend Lake Pleasant With its campground, hiking trails and marinas, Lake Pleasant is a popular destination.

Lake Pleasant is popular for boating, swimming and camping. But do you know how it was named? It's not named for its calm water but for this man.

Lots of people have already staked their claims. Half of Lake Pleasant Regional Park's campsites have been reserved. The 148-site campground filled up last Labor Day.

With summer in full swing and triple-digit temperatures here to stay, many Arizonans are heading to the lake to beat the heat. FOX 10's Irene Snyder reports.