There is an attractive trip from Sigmaringen to Tuttlingen through the upper Danube valley. The road follows the north bank of the river, passing the ruined castles of Gebrochen Gutenstein and Falkenstein and some extraordinary rock formations.
Beuron, a pilgrimage center, has a monastery founded in the 11th century, secularised in 1802 and reoccupied by Benedictines in 1863. It has a notable Baroque church.
The road continues via Fridingen (near which is the Kolbingen Cave) to Tuttlingen.
In the Hedingen district of Sigmaringen is the Baroque Hedinger Kirche (1680), with an 18th C. Roccoco chapel that contains the princely burial vault (1844).
Northeast of Mengen, at Hundersingen and above the steep bank of the Danube, can be seen the Heuneburg (sixth-fifth century B.C.), one of the largest fortified settlements of the Early Iron Age (Hallstatt period).
Finds from the site, with dioramas, are displayed in the tithe barn of the Heiligkreuztal monastery. Archaeological trail.
Hours:
April 1 to June 30: 10am-4:30pm; Closed: Mon
July 1 to August 31: 10am-6pm; Closed: Mon, Mon
September 1 to November 1: 10am-4:30pm; Closed: Mon, Mon, Mon
To the south of the castle in Sigmaringen is the Roman Catholic parish church of St John (1757-58), with fine stucco decoration and wall paintings. In a chapel on the north side is the cradle of St Fidelis of Sigmaringen, a Capuchin friar who was martyred in 1611 and canonised in 1746.