You might want to play some rounds at Golfsport Sorpesee, located 3.1 mi (4.9 km) from central Sundern. If Golfsport Sorpesee doesn't quite scratch your golfing itch, Golf Club Sauerland is just a short drive away.
You can spend time studying the exhibits at Old Distillery Museum during your trip to Sundern. Wander the forest and lakeside while you're in the area.