Haut-Rhin is home to 402 named mountains. The highest is Grand Ballon at 1,424 m.
There are 402 named mountains in Haut-Rhin. The highest and the most prominent mountain is Grand Ballon.

Yes. Haut-Rhin has 402 named mountains. The highest is Grand Ballon at 1,424 m.
The highest mountain in Haut-Rhin is Grand Ballon, at 1,424 m.
Haut-Rhin has 402 named mountains.
