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The WWI battles erupted in Sundgau fromAugust 1914 onwards. The front line was afew kilometres from Illfurth, on the Heidwillerside, and cut the Sundgau in two. This circuit,starting from Burnkirch church, enables you todiscover several multi-purpose constructionswhich served as munitions depots, observationposts and artillery emplacements, not forgettingthe numerous bunkers presentedon the site. Distance : 6.5 km (2.5 hours).
- Pets allowed : yes
- Type of hiking trail : dirt path, path