Welcome to Northerly Island! Full of museums, trails, venues, and beaches this is one Chicago's best spots to enjoy the lake and gorgeous skyline views. This particular area is close to Huntington field so you may have some access issues during summers.
After doing some routine maintenance on my other Northerly caches, I decided we need a tree climb out here too. There were many potential hosts in the area, even a 4.5 terrain that I placed and then thought... "is this at all safe?" when a dead branch snapped and fell 15 feet to the ground. So we landed here.
One quick maneuver up the tree and your name will be on the log. Enjoy!