There is free parking available near the river outside the city. It is a peaceful spot at night, but can become busier in the mornings with fishermen and mushroom trackers. There is also a small bar with a playground located 100 meters away, open until 22:00. However, please note that the road leading to the parking area is steep, so it is not suitable for larger vans.
The friendly owner of the restaurant allows guests to stay overnight. Don't be discouraged by the entrance; it may look narrow but it's manageable. Maps might suggest a walking route, but it should also be accessible for larger vehicles like Ducatos.