PO Box 67, Somerset, WI 54025
GPS address: 1820 Raleigh Road, Somerset, WI 54025.. WARNING: Some GPS equipment will take you to the old historic bridge in downtown Stillwater which is closed. Once you cross into Wisconsin fromHWY 36 to HWY 64 on the STUNNING NEW Stillwater bridge our GPS will start to work correctly. So for Minnesota, Iowa, South and North Dakota your trip to Apple River is now 15 minutes closer.