The GR® 123 runs from Carlepont to Boulogne-la-Grasse and its famous concrete "folie", before heading into the Somme department.
This Grande Randonnée trail crosses the state forests of Laigue and Ourscamp.
Stop off to discover Ourscamp Abbey and the remains of the Great War (Carrière des cinq piliers, numerous steles and war memorials, etc.)
Source: SIM Hauts-de-France - Oise Tourisme
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<p><a class="routeYou_embed" href="https://app.routeyou.com/en-fr/route/view/19051508?utm_source=embed&utm_medium=article&utm_campaign=routeshare&navigation=external" title="GR® 123 de Carlepont à Boulogne-la-Grasse - RouteYou" target="_blank"><img src="https://image.routeyou.com/embed/route/960x670/19051508-en@2x.png" style="width: 100%; height: auto;" alt="GR® 123 de Carlepont à Boulogne-la-Grasse"></a></p>
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SIM Hauts-de-France - Oise Tourisme
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