Nestled in the hollow of a valley, this small circuit allows you to discover a strange device: at this location, the Oise to Aisne canal plunges into a 2,365 m long tunnel, connecting the Aisne valley to that of the Ailette. To understand how it works, feel free to consult the interpretation panel installed at Braye-en-Laonnois.
Source: Agence Aisne Tourisme
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<p><a class="routeYou_embed" href="https://app.routeyou.com/en-fr/route/view/19050925?utm_source=embed&utm_medium=article&utm_campaign=routeshare&navigation=external" title="The tunnel of the Chemin des Dames - RouteYou" target="_blank"><img src="https://image.routeyou.com/embed/route/960x670/19050925-en@2x.png" style="width: 100%; height: auto;" alt="The tunnel of the Chemin des Dames"></a></p>
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Agence Aisne Tourisme
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