Driving the Mont Blanc Route with a Caravan or Motorhome (2026 UK Guide)

Travelling through the Alps with a caravan or motorhome is one of the most spectacular road trips in Europe.

One of the most popular crossings between France and Italy is the Mont Blanc Tunnel route, connecting Chamonix in France with Courmayeur in Italy.

This route avoids steep mountain passes and instead uses the 11.6 km Mont Blanc Tunnel, making it one of the easiest Alpine crossings for caravans and motorhomes.

In this guide we cover:

• The best route to the Mont Blanc Tunnel

• Tunnel toll costs

• Caravan and motorhome restrictions

• Driving tips for the Alps

• Whether the Mont Blanc route is better than the Brenner Pass

Map showing the Mont Blanc Tunnel route between Chamonix in France and Courmayeur in Italy, a popular Alpine crossing for caravans and motorhomes.

Mont Blanc Route Overview

The Mont Blanc crossing connects:

France → Italy

Route example for UK travellers:

Calais

↓

Reims

↓

Dijon

↓

Geneva

↓

Chamonix

↓

Mont Blanc Tunnel

↓

Courmayeur

↓

Aosta

↓

Turin / Milan

This route is often used by travellers heading to:

• Northern Italy

• Lake Garda

• Tuscany

• The Italian Lakes

Driving the Mont Blanc Tunnel with a Caravan or Motorhome

The Mont Blanc Tunnel is one of the safest and most modern Alpine tunnels in Europe.

Key facts:

• Length: 11.6 km

• Opened: 1965

• Connects France and Italy

• Operates 24 hours a day

Unlike some Alpine passes, the tunnel avoids steep climbs and tight hairpins.

This makes it ideal for:

• caravans

• motorhomes

• campervans

• towing vehicles

However, large vehicles must follow strict spacing rules inside the tunnel.

Vehicles must keep:

• 150 metres distance from the vehicle in front.

Mont Blanc Tunnel Toll Fees (2026)

The Mont Blanc Tunnel is a toll road crossing.

Typical prices:

Cars and Vehicles Under 3.5 Tonnes

Single trip: around €50–€55

Car + Caravan

Single trip: around €65–€70

Motorhomes

Under 3.5t: similar to cars

Over 3.5t: higher toll category

Prices may vary depending on vehicle height.

💡 Tip: return tickets are usually cheaper than two single trips.

Official site:

https://www.tunnelmb.net

Mont Blanc Tunnel Restrictions

Before travelling check your vehicle height and weight.

Typical limits include:

Maximum vehicle height:

4.3 metres

Maximum vehicle width:

2.6 metres

Dangerous goods vehicles are restricted.

Most touring caravans and motorhomes fit comfortably within the limits.

Driving Tips for Caravans and Motorhomes

Although the Mont Blanc Tunnel avoids mountain passes, Alpine driving still requires preparation.

1. Check Your Brakes

Long descents after the tunnel can overheat brakes.

Use engine braking where possible.

2. Watch the Weather

Mountain weather changes quickly.

Fog and heavy rain are common near the tunnel.

3. Avoid Peak Times

The Mont Blanc Tunnel is one of the busiest Alpine crossings.

Try to avoid:

• Friday afternoons

• Summer holiday weekends

• August

4. Prepare Documents

You may be asked for:

• vehicle registration

• insurance

• passport

Stopover Campsites Near the Mont Blanc Tunnel

Before the Tunnel (France – Chamonix)

Camping Les Arolles

Features:

• Large motorhome pitches

• Incredible Mont Blanc views

• Open summer and winter

• Easy access to the tunnel

💡 Ideal for arriving late and crossing the tunnel the next morning.

🇮🇹 After the Tunnel (Italy – Courmayeur)

Camping Aiguille Noire

📍 Location: Courmayeur

🚗 Distance from tunnel: 15 minutes

Features:

• Large touring pitches

• Stunning Alpine scenery

  

  Restaurant and facilities

• Perfect for exploring the Aosta Valley

💡 Ideal for resting after the tunnel crossing.

🇮🇹 Alternative Stopover: Aosta

Camping Monte Bianco

📍 Location: Aosta

🚗 Distance from tunnel: 35 minutes

Good for:

• exploring the Aosta Valley

• stopping before heading south to Turin or MilanTravelling further east into Italy? See our guide to driving the Brenner Pass with a caravan or motorhome.

Mont Blanc vs Brenner Pass: Which Is Better?

Both routes are popular Alpine crossings.

Brenner Pass

Pros

• cheaper tolls

• no long tunnel

• motorway the entire way

Cons

• longer route

• heavy freight traffic

Mont Blanc Tunnel

Pros

• shorter route into Italy

• avoids mountain passes

• spectacular scenery

Cons

• expensive toll

• can get busy

Related Touring Guides

If you’re planning a European road trip with a caravan or motorhome, these guides may help:

• Top Tips for a Smooth Journey on the Brenner Pass

• Caravan Arrival Routine (2026 Guide)

• Caravan Departure Routine

• The 10-Minute Caravan Arrival & Departure Checklist

• Motorhome Setup Checklist

FAQs

Is the Mont Blanc Tunnel safe for caravans?

Yes. The tunnel is designed for caravans and motorhomes and is used by thousands of touring vehicles every year.

How long does it take to drive through the Mont Blanc Tunnel?

Driving through the tunnel takes around 12–15 minutes depending on traffic.

Do motorhomes pay more for the Mont Blanc Tunnel?

Motorhomes under 3.5 tonnes usually pay similar tolls to cars, while larger motorhomes may fall into higher categories.

Is the Mont Blanc route better than the Brenner Pass?

It depends on your destination. The Mont Blanc route is shorter for western Italy, while the Brenner Pass is often cheaper and less congested.