High Quality Content by WIKIPEDIA articles! The Ronald Reagan Presidential Library and Center for Public Affairs is the presidential library and final resting place of Ronald Wilson Reagan, the 40th President of the United States. Designed by Hugh Stubbins and Associates, the library is located in Simi Valley, California, about 40 miles (64 km) northwest of Downtown Los Angeles and 15 miles (24 km) west of Chatsworth. The library may be accessed by driving to the Olsen Road exit of State Route 23, which connects to the nearby Ronald Reagan Freeway, State Route 118.