Ingleside Illinois Long Lake Conference Grounds Beach 1910s Real Photo Postcard
Long Lake, situated within Illinois' expansive Chain O'Lakes region, became a popular destination for summer recreation during the early 20th century, particularly for residents from nearby Chicago. The Conference Grounds referenced likely refers to the Christian Parents Association (C.P.A.) Conference Grounds, a notable summer colony and camp established in Ingleside. This facility provided organized leisure, spiritual retreats, and wholesome activities for families and youth, serving as a social and recreational hub.