until 31 March:
open Monday to Saturday from 9am to 5pm
open Sunday 29 March from 9am to 1pm
from 1 April to the end of November:
open Monday to Saturday from 9am to 6pm and Sunday from 9am to 1pm
Exceptions:
Easter weekend:
Good Friday, 3 April, from 10:00 to 13:00 and from 14:00 to 17:00; Saturday, 4 April, from 9:00 to 18:00; Easter Sunday and Monday (5 and 6 April) from 9:00 to 13:00
Public holidays: 9 a.m. to 1 p.m. (1 May, 8 May, 14 May, 25 May, 14 July, 15 August, 1 November, 11 November)
12 meters high, the tower of the High Gate in its quality of watchtower, was used for the defense of the city. This 15th century tower is located not far from the Dr. Schweitzer Museum, and has kept its loopholes.