Fortifications

Between military remains and fortifications, the Alpes de Haute Provence is home to a rich fortified heritage from Vauban to Maginot. From Saint-Vincent-les-Forts, overlooking Lake Serre-Ponçon, to the majestic Fort de Tournoux in the Ubaye Valley, explore these strategic structures. In Val-d'Oronaye, the Ouvrage du Haut Saint-Ours and the Fort de Roche-la-Croix are testament to the ingenuity of Alpine fortifications. Don't miss the remarkable citadels of Colmars-les-Alpes, Entrevaux, and Seyne, true witnesses to the battles of yesteryear. A fascinating immersion in history and mountain landscapes.

A historical heritage to explore

The mountains of the Alpes de Haute Provence are full of historical treasures. This summer, explore the fortifications and military structures that dot the region.

Saint-Vincent-les-Forts, located at the gateway to the Ubaye Valley, is an iconic fortified site overlooking Lake Serre-Ponçon. Nearby, the Dormillouse Battery in Montclar, a military relic perched on the hills, is a fascinating place to visit during your hikes.

In the Ubaye Valley, don't miss the majestic Fort de Tournoux, which overlooks the valley and offers breathtaking views of the surrounding area. If you're passionate about military history, the Ouvrage du Haut Saint-Ours and the Fort de Roche-la-Croix, located in Val-d'Oronaye, are must-see sites that demonstrate the ingenuity of Alpine fortifications.

Other citadels, true masterpieces of defensive architecture, are also worth a visit. Colmars-les-Alpes, a former military city fortified by Vauban, is a remarkable example of defensive urban planning with its ramparts and forts overlooking the Verdon Valley. Entrevaux, perched on a rocky spur, reveals a harmonious architectural challenge with its imposing citadel accessible by a winding path offering a breathtaking view of the Var Valley. Finally, Seyne, a former strategic frontier city, is home to an imposing fortress that testifies to its key role in the defense of the territory.

These exceptional sites immerse you in history while offering spectacular panoramas in the heart of the Alpes de Haute Provence.

Built heritage to visit, especially in summer

• Saint-Vincent-les-Forts, a fortified site at the gateway to the Ubaye Valley
• Dormillouse Battery, Montclar / Le Lauzet-Ubaye 
• The Fort of Tournoux in the Ubaye Valley
• The Haut Saint-Ours (Val-d'Oronaye) Work
• The Fort of Roche-la-Croix (Val-d'Oronaye)
• Colmars-les-Alpes, architect's battle
• Entrevaux, the harmonious challenge
• Seyne, border town