Olten Museum of Fine Arts
De Groene Gids
daily except Mon 2pm-5pm (Thu 7pm), weekends 10am-5pm - closed Bank Hols and other periods, telephone to confirm
This museum is worth a visit for the works of Martin Disteli (1802-1844) in several of the rooms. His caricatures, studies and drawings are remarkably detailed and among the most interesting items.