Not for the faint-hearted this one. A 56km ride around the lake. But wow, if you are there make sure you have a mobile because you'll not meet a lot of people out of season. You are close to Fordonganus. A Roman holding with hot baths and a spa.

To get there https://goo.gl/maps/iKsEqV5xp6UY6LzX6

GPX file to road ride