About 150 years ago in the " Ettringer Lay " ( Lay= stone quarry ) the deepest stone beeches around the Bellerberg volcano were formed. Not without danger the mighty stone columns of its western lava flow were broken here in order to extract building material or paving stones from it . Today a signposted trail lead direct to the lava flow.
The town museum invites you on an exciting journey through the history of Euskirchen. With numerous exhibits such as legionary helmets, motorbikes or cinema chairs, the town's history comes alive. The historic town wall is integrated into the rooms of the museum in the Kulturhof and is partly visible.
The Dreimühlen waterfall is probably the most interesting waterfall in the Eifel. It was formed from limestone deposits of three spring tributaries of the Ahbach. Due to the constant deposition, the sinter bank is constantly "growing", which is where the name "growing waterfall" comes from.