The Route Napoléon

By the Viamo editorial team · Editor Terje Moy · Last updated July 2026 · 7 min read

In March 1815, Napoleon Bonaparte landed at Golfe-Juan near Antibes with about a thousand men, freshly escaped from exile on Elba, and marched north through the French Alps to reclaim his throne. He reached Grenoble in six days. Today you can cover the same ground in a single long driving day — the Route Napoléon, signposted throughout by a stylised golden eagle, is one of France's most romantic and scenically varied national roads, climbing from the Côte d'Azur into the Pre-Alps and the high mountains in a single sweeping arc.

The route: Golfe-Juan to Grenoble

The Route Napoléon follows the N85 (and a stretch of the N7 at the coast) for around 330 km from Golfe-Juan, just west of Cannes, to Grenoble. Pure driving time is around 4.5–5.5 hours without meaningful stops, but that would waste the point. A well-paced two-day drive, staying overnight in Digne-les-Bains or Sisteron, allows you to absorb the route properly. Done in a day, start early and plan for a late arrival in Grenoble.

The road can be driven in either direction — north from the Riviera to the Alps, or south from Grenoble to the coast. The northbound direction (coast to mountains) follows Napoleon's own path and has the advantage of an arriving climax at Grenoble; the southbound direction has the Riviera as its reward at the end.

The Riviera to Grasse: the coastal start

The route begins at the elegant seafront of Golfe-Juan, where a small commemorative plaque marks the landing point, then follows the N7 briefly before climbing to Cannes — where most drivers stop for a coffee on the Croisette before the serious driving begins. From Cannes the road heads inland and north, skirting the edge of the perfume capital Grasse, which sits above the coast on a limestone shelf and offers the first sense of the landscape change ahead.

Grasse itself is worth a detour for the fragrance houses (Fragonard, Galimard and Molinard all offer tours) and the old town. The view south from the terraces, back over the coast toward the Mediterranean, is striking — and the last time on the drive you will be above the sea.

The Pre-Alps: Castellane and the Gorges du Verdon approach

From Grasse the road climbs through Séranon and the Pas de la Faye (around 1,160 metres), entering the true Pre-Alps. The landscape shifts decisively — sparse lavender fields, limestone cliffs and high-altitude meadows replace the coastal vegetation. Castellane, about halfway along the route, is the natural lunch stop: a small medieval town beneath an extraordinary isolated rock stack topped by a chapel, with several restaurants on the central square.

Castellane also sits at the gateway to the Gorges du Verdon — the river canyon often called the Grand Canyon of Europe. A detour east of around 40 km takes you along the rim road (the Corniche Sublime or the Route des Crêtes) with views down into the turquoise water hundreds of metres below. This detour adds at least two hours and is strongly recommended if you have time — it is one of the most spectacular detours in France.

Digne-les-Bains: a good overnight stop

Digne-les-Bains is the largest town on the route before Grenoble, and a natural resting point for anyone splitting the drive across two days. It has a modest spa tradition (the town's name reflects its thermal waters), a pleasant old quarter and enough hotel choice to find a comfortable room without booking far ahead outside July and August. The Musée Gassendi, an unusual science-art hybrid, is unexpectedly interesting for an overnight stop.

From Digne the road continues north, the landscape becoming progressively more Alpine — the valleys narrow, the cliffs rise higher, and the road begins to feel more purposefully mountain than upland plateau.

Sisteron: the gateway to the north

About 35 km north of Digne, Sisteron is the most dramatic single sight on the route. The town is pinned between the Durance river and an extraordinary natural citadel — a spike of rock topped by a medieval fortress that Napoleon's soldiers skirted in uneasy haste, fearing it might be held against them. The citadel is open to visitors and the views from the top down the Durance valley are expansive. Allow at least an hour if you plan to walk up.

Sisteron is also where the landscape changes character again — north of here the mountains begin to feel properly Alpine, the Durance valley broadens slightly, and the journey toward Grenoble begins to feel like a descent from the highest points rather than a continued climb.

Gap and the final approach to Grenoble

Gap, the largest city along the route and capital of the Hautes-Alpes department, is a workmanlike mountain city rather than a showpiece, though it has a pleasant cathedral square and useful shops and fuel if needed. From Gap the N85 continues north through increasingly impressive Alpine scenery — the Corps plateau, the Lac du Sautet reservoir visible below the road (a photogenic turquoise body of water flanked by bare limestone cliffs), and then the dramatic final descent via Corps and Vizille into the Grenoble basin.

Grenoble arrives like a reward — a modern, energetic university city enclosed by three ranges of Alps, with the cable cars of the Bastille fort rising from the old town. It is far easier to navigate than Lyon or Paris and has excellent restaurants and a lively bar scene to reward the end of the drive.

Practical driving notes

The N85 is a national road, not a motorway — there is no toll for the route itself, though approaching via the A8 autoroute from Nice or Monaco means passing through the Estérel toll section. France's normal road rules apply throughout: standard passenger cars need no vignette (unlike Switzerland, just over the border), the limit on national roads outside towns is 80 km/h (reduced from 90 in 2018), and mountain sections often drop to 60 km/h on tight bends.

The mountain sections above Castellane and around the Col de la Croix Haute can be closed or slow in winter due to snow — typically from November to April on the highest stretches. The route can also be affected by rockfalls after heavy rain. Check conditions before an off-season drive.

For how French motorway and national road tolls work more broadly, the motorway tolls guide has full detail. And for more ideas for scenic drives across Europe, the best European road trips guide is the place to start.

What to carry and when to go

The Route Napoléon is at its best from May to October. Late spring (May–June) brings clear air and wildflowers on the high plateau. July and August are warm but can be busy near Castellane and the Verdon approach; the road itself rarely becomes congested. September and October offer excellent driving weather and the start of autumn colour in the deciduous patches between the pines.

No specialist equipment is needed for a summer drive in a standard car. If you are travelling in spring or autumn, carry tyre chains or ensure your car has winter tyres — some mountain sections remain snow-affected until May and after October.

Frequently asked questions

How long does it take to drive the Route Napoléon from the Riviera to Grenoble?

About 330 km and 4.5–5.5 hours of pure driving on the N85. With stops at Grasse, Castellane, Sisteron and a Verdon detour, a comfortable two-day itinerary suits the route best. It can be done in one long day if you start from the Riviera by mid-morning.

Is the Route Napoléon suitable for a motorhome or camper van?

Yes, for most of the route. The road is a national route with normal dimensions. Some of the tighter mountain bends above Castellane and around the Sisteron gorge require care with a long vehicle, but are not impassable. Overnight parking and campsites are available in Castellane, Digne and Gap.

Is there a toll on the Route Napoléon?

The N85 itself is toll-free. If you access it from the A8 autoroute (Cannes or Antibes direction) you will pay the autoroute toll for that section, but the Route Napoléon proper charges nothing. See the motorway tolls guide for French toll context.

Can I do the Gorges du Verdon detour as part of the Route Napoléon drive?

Yes, and it is strongly recommended. From Castellane, a loop around the Gorges du Verdon rim road adds roughly 80 km and two to three hours. You can rejoin the N85 at Castellane after the loop, or continue through Moustiers-Sainte-Marie and rejoin at a point further north. It is one of the finest short detours in France.