Many people come from around the world to visit the Grand Canyon. People can also take trips floating on the Colorado River in boats and rafts. Some people like to hike in the Grand Canyon. The land on the north side of the Grand Canyon is called the "North Rim". The land on the south side of the Grand Canyon is called the "South Rim". "North Rim" is open to visitors from May to October. It is possible to visit "South Rim" all year round. 