Paid
Heritage Museum of the Pays de Thônes (Musée de France label): history, prehistory, crafts, religious art and Fête des Sapeurs costumes. Free under 12.
Thônes via ferrata (Roc de Cornillon / Roche à l'Agathe), vertical and athletic, visible from the town center, 20 min from Annecy.

The Thônes via ferrata, also called Roche à l'Agathe, is a major equipped route that directly overlooks the center of Thônes. With its 600 meters of cable and a 235-meter elevation gain, this alpine route offers a vertical and athletic experience that attracts experienced climbers seeking thrills.
The route begins with an airy monkey bridge that immediately sets the tone, followed by steep and technical sections alternating metal rungs and natural holds on limestone rock. The highlight of the route is the Hermit's Overhang, a passage rated ED (extremely difficult) that severely tests arms and mental strength — an inverted ladder allows bypassing this difficulty. Two escape routes mark the route to allow exiting before the greatest difficulties.
Located at low altitude (start at 660 m, arrival at 895 m), the Thônes via ferrata differs from the alpine routes of La Clusaz or Grand-Bornand by its year-round accessibility (except when snow-covered) and its proximity to the village — the whole town can watch the climbers! The south-west exposure guarantees generous sunshine from 10 a.m. in summer, but can make the rock scorching in the afternoon. Access is free, but specialized equipment (harness, double energy-absorbing lanyard, helmet) is essential, as well as good physical condition and no fear of heights. For the less experienced, guidance by a mountain guide is highly recommended.
From Annecy: D909 towards Thônes – Les Aravis (20 km, approx. 25 min). Thônes bus station car park or near Hôtel Hermitage (av. du Vieux Pont).
Open in MapsRegular bus from Annecy (bus station) to Thônes. SNCF/local lines information.
Open in MapsAnnecy – Thônes cycle path (greenway). About 20 km from Annecy.
Open in MapsTransport data verified on 2026-06-15 · source transport.data.gouv.fr (Licence Etalab 2.0)
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Access is free, but a guide is highly recommended if you are not autonomous, equipped and experienced. Several guide offices offer supervised outings with equipment provided.
Route rated D (difficult) to ED (extremely difficult) depending on the exit chosen. The 1st part is D, the 2nd D+ and the final overhang ED (avoidable via ladder). Good physical condition and arm endurance essential.
Allow 2–3 hours total: 10 min approach walk, 1h30 to 2h30 for the route depending on level, and 30 to 45 min for descent via trail.
Yes, Versant Nord shop (48 av. d'Annecy, Thônes, tel. 04 50 32 10 02) offers complete via ferrata equipment rental: harness, lanyards with absorber, helmet.
Not recommended for children or beginners. The route is vertical, athletic and very exposed. Minimum recommended age: 13 years, with good physical condition and guide supervision.
The Thônes via ferrata is popular, especially on weekends and in high season. For more peace, start early in the morning on weekdays.
Never engage in storms, rain or wet rock (risk of slipping). Check weather before leaving. If in doubt, contact Thônes Tourist Office at 04 50 02 00 26.
Several restaurants in central Thônes: Hôtel de l'Hermitage (Savoyard specialties), Philtre (local and organic cuisine), brasseries and pizzerias. Thônes is also the capital of farmhouse Reblochon cheese!
Multi-source verification at publication. Information may change — confirm with the official operator before travelling.