Hornisgrinde
The Hornisgrinde, 1164 m (3820 ft), is the highest mountain in the Northern Blackforest. The Hornisgrinde is in the North of the Ortenaukreis.
On top of the Hornisgrinde is a 206 m (676 ft) high radio tower of the Südwestrundfunk, transmitting radio and television programmes.
The moor area at the summit of the Hornisgrinde is a nature reserve and not accessible to the public.
The Mummelsee is a deep lake at the western mountainside of the Hornisgrinde. It is very popular with tourists travelling along the Schwarzwaldhochstraße. According to legends, the lake is inhabited by a Nixen (mermaids) and the King of the Mummelsee.
