located about 10 miles northwest of the city of linz is hartheim castle. hartheim is near the village of alkoven austria. the castle was built in 1600 by jacob von aspen. it is most famous for being the austrian center of the nazi T-4 euthanasia program. during the years of the third reich this castle was fitted with a gas chamber and crematorium for the extermination of the "feeble-minded". also inmates from mauthausen and dachau in germany were sent here to be executed. today it is a center for the mentally impared. hartheim castle is open to the public and has a museum on the nazi euthanasia program. to see the castle and museum take highway B129 from linz. the castle is just west of the village of alkoven.
If you visit Mauthausen during the winter and are staying in town for a few days and like to snowboard or ski why not take a small excursion over to the local mountain of Hinterstoder. Drive into Lintz only 20 miles away or take the train to Lintz from Mauthausen. If you have a car park it at the train station in Lintz and take a train up to Hinterstoder mountain.