My wife and I have a 25 ft. travel trailer and would like to make a two month trip to the Grand Canyon and surronding states of Colorado, Utah, Arizona and New Mexico. April and May are the best months for us to go but we understand that the north rim of the Grand Canyon is closed at that time. How important is it to see the North Rim? Is the South Rim open and is it the same as the North Rim? Any suggetions for a proposed itinery and advice regarding the Grand Canyon?