The City of Lake Forest is located in the heart of South Orange County and the beautiful Saddleback Valley. The City’s motto, “Remember the past, challenge the future,” is the Lake Forest way of life. The rich heritage of the past is preserved and enhanced in this contemporary city ready to meet the challenges and opportunities of the future. Incorporated as a city in 1991, Lake Forest has been carefully master-planned to help ensure that it will always be an ideal place for business to prosper and people to live, work and play.