Mont Sainte-Odile — Mur Paien (Pagan Wall) Circuit

Mont Sainte-Odile rises to 764 m above the northern Alsace wine villages in the Bas-Rhin department of the Grand Est region, northeastern France. It is one of the most visited natural and spiritual sites in Alsace, combining an active Benedictine pilgrimage convent with the enigmatic prehistoric Mur Paien (Pagan Wall) that encircles the hilltop plateau. The circuit departs from the large car park below the Couvent de Sainte-Odile at Ottrott, located 12 km from Obernai. A summer shuttle bus links Obernai station to the convent (check sitivi.alsace for current schedule and fares). The 10 km loop ascends 300 m through mixed oak, beech, and fir forest on Club Vosgien red-rectangle waymarked paths; the surface is firm packed earth with some rocky ledges near the summit plateau. The terrain is well-signed throughout and straightforward in dry conditions. The principal archaeological highlight is the Mur Paien itself — a dry-stone Celtic rampart of granite and sandstone blocks estimated to extend more than 10 km in total, built between approximately 1,000 and 800 BC and listed as a protected monument historique. In several sections the wall reaches 1–2 m in height and is clearly visible from the trail. Beyond the wall, the route crosses the pine-fringed plateau with its characteristic red Vosges sandstone outcrops and visits the panoramic terraces of the convent, from which views extend across the Rhine plain to the Strasbourg Cathedral spire and the Black Forest on clear days. The Couvent de Sainte-Odile is an active Benedictine monastery and among the most important pilgrimage sites in Alsace; entry to the chapels (including Romanesque remains linked to the 7th-century foundation by Saint Odile) is free, though respectful dress is expected. A restaurant and basic accommodation are available in the convent building. No permit is required for the trail. IGN map 3716ET covers the area. Carry at least 1.5 litres of water — the convent fountain and village square in Ottrott are the most reliable pre-departure sources.