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Summer 2026 road closures in Alpe d’Huez and Oisans

Summer 2026 road closures in Alpe d’Huez and Oisans

Road closures summer 2026 in Alpe d’Huez and Oisans

Every summer, major cycling events in the Oisans can lead to temporary road closures around Bourg d’Oisans, Alpe d’Huez, Villard-Reculas, Allemond, Sarenne, the Lautaret and the great Alpine climbs.

This page summarises the main 2026 traffic information for Alpe d’HuZes, Villard-Reculas open-road cycling sessions, Marmotte Granfondo Alpes, L’Étape du Tour, the Tour de France, the Alpe d’Huez Duathlon and Triathlon.

Times and restrictions may change. Before travelling, always check official traffic information and real-time road conditions.

Road closures 2026 Oisans Alpe d’Huez Bourg d’Oisans Cycling events

Real-time traffic info Cycling events

Road closures summer 2026 during cycling events in Alpe d’Huez and Oisans

Important: police and road authorities may close roads before the official closure time. When a closure is listed as applying to all vehicles, including bicycles, this does not apply to riders officially taking part in the event.

Before travelling, check real-time information on itinisere.fr and the practical information provided by the event organisers, especially during the Tour de France.

Quick calendar of 2026 road closures

Date	Event	Key traffic impact
Thursday 4 June	Alpe d’HuZes	D211 heavily affected, heavy goods vehicles prohibited, temporary closures in Bourg d’Oisans.
Thursday 25 June	Villard-Reculas open-road cycling session	D44 and D44b closed to motor vehicles, to be confirmed.
Sunday 28 June	Marmotte Granfondo Alpes	Closures on D1091, D1091b, D526, D211 and D211f depending on time and direction.
Tuesday 7 July	Échappée Iséroise - Col de Sarenne	Pastoral road over Col de Sarenne closed to motor vehicles.
Sunday 19 July	L’Étape du Tour de France amateur	Traffic severely disrupted from 05:30 until midday.
Tuesday 21 July	Échappée Iséroise - Alpe d’Huez	D211 closed to motor vehicles between La Ferrière and the Alpe d’Huez tourist office.
Friday 24 July	Tour de France Men - Stage 19	Traffic severely disrupted from late morning until evening. Many roads closed.
Saturday 25 July	Tour de France Men - Stage 20	Traffic severely disrupted all day across the Oisans. Many roads closed.
Monday 3 August	Alpe d’Huez Duathlon	D211, D211f and D1091b closed during specific time slots.
Wednesday 5 August	Alpe d’Huez Triathlon	Closures on D526, especially around Allemond, Eau d’Olle, La Paute and Ornon.
Thursday 6 August	Alpe d’Huez Triathlon	D1091 disrupted, D211, D211f and D526 closed depending on time slot.
Thursday 13 August	Villard-Reculas open-road cycling session	D44 and D44b closed to motor vehicles, to be confirmed.

Thursday 4 June - Alpe d’HuZes

Bourg d’Oisans to Alpe d’Huez

Traffic will be heavily disrupted on the Alpe d’Huez road during Alpe d’HuZes. More than 5,000 participants are expected on the D211 on Thursday 4 June.

Road / sector	Time / restriction
D211	Heavy goods vehicles over 3.5 tonnes prohibited on Thursday 4 June from 04:00 to 20:00. Traffic strongly discouraged on Wednesday 3 June.
D1091b - Bourg d’Oisans centre	Wednesday 3 June from 09:30 to 13:00: closure between Avenue JB Gautier and Rue de Belledonne, diversion via Rue de Belledonne.
Bourg d’Oisans - south roundabout, Romanche parking, Rue de la République, Rue Graziotti, Rue du Docteur Faure, Rue du Paradis	Thursday 4 June from 04:00 to 08:00, diversion via the D1091 between the north and south roundabouts.

Thursday 25 June - Villard-Reculas open-road cycling session

To be confirmed

The road between Bourg d’Oisans and Villard-Reculas is listed as open to cyclists and closed to motor vehicles, subject to confirmation.

Road / sector	Time / restriction
D44 and D44b	Closed to motor vehicles between Pont Rouge and Place Bernard Barlerin in Villard-Reculas, from 08:45 to 12:00.

Sunday 28 June - Marmotte Granfondo Alpes

Bourg d’Oisans to Alpe d’Huez

Marmotte Granfondo Alpes leads to several major closures on Oisans roads and Alpine climbs.

Road / sector	Time / restriction
D1091 and D1091b	Closed between Bourg d’Oisans and Rochetaillée, both directions, from 06:15 to 08:00.
D526	Closed between Rochetaillée and Col du Glandon from 06:30 to 10:30.
D1091 - Mizoën towards Hautes-Alpes	Closed in the Isère to Hautes-Alpes direction between the D1091/D25 junction in Mizoën and the departmental border, from 10:30 to 17:30.
D1091 - Bourg d’Oisans towards Les 2 Alpes	Closed between the south roundabout in Bourg d’Oisans and Col du Lautaret, in the Bourg d’Oisans to Les 2 Alpes direction, from 11:30 to 17:30.
D211 and D211f	Closed in the Alpe d’Huez to Bourg d’Oisans direction from 13:30 to 17:30. Roads closed to all vehicles, including bicycles not taking part in the event.

Marmotte page

Tuesday 7 July - Échappée Iséroise, Col de Sarenne

The pastoral road over Col de Sarenne is closed to motor vehicles between Clavans-le-Haut and Col de Sarenne.

Road / sector	Time / restriction
Pastoral road over Col de Sarenne	Closed to motor vehicles from 08:45 to 12:00.

Sunday 19 July - L’Étape du Tour de France amateur

L’Étape du Tour de France amateur runs between Bourg d’Oisans and Alpe d’Huez. Traffic will be severely disrupted from 05:30 until midday.

Sector	Time / restriction
Bourg d’Oisans to Alpe d’Huez	Traffic severely disrupted from 05:30 until midday. Practical information announced on oisans.com/tdf26.

L’Étape page

Tuesday 21 July - Échappée Iséroise, Alpe d’Huez

The D211 is closed to motor vehicles between La Ferrière and the Alpe d’Huez tourist office.

Road / sector	Time / restriction
D211	Closed to motor vehicles from 08:45 to 11:00.

Friday 24 and Saturday 25 July - Tour de France

Two Tour de France days will have a major impact on traffic in the Oisans and Alpe d’Huez.

Date / stage	Traffic impact
Friday 24 July - Stage 19: Gap to Alpe d’Huez	Traffic severely disrupted from late morning until evening. Many roads closed.
Saturday 25 July - Stage 20: Bourg d’Oisans to Alpe d’Huez	Traffic severely disrupted all day in the Oisans. Many roads closed. Practical information announced on oisans.com/tdf26.

Stage 19 page Stage 20 page

Monday 3 August - Alpe d’Huez Duathlon

Closures are planned in the Alpe d’Huez to Bourg d’Oisans direction and in Bourg d’Oisans centre.

Road / sector	Time / restriction
D211 and D211f	Closed in the Alpe d’Huez to Bourg d’Oisans direction from 15:00 to 17:00.
D1091b	Closed from the north roundabout to the Bourg d’Oisans tourist office from 14:50 to 15:50.

Roads closed to all vehicles, including bicycles not taking part in the event. Subject to change.

Wednesday 5 August - Alpe d’Huez Triathlon

The Allemond to Alpe d’Huez route leads to major closures on the D526.

Road / sector	Time / restriction
D526 - D43a / D526 junction to Pont de l’Eau d’Olle	Closed in both directions from 09:45 to 11:15.
D526 - La Paute towards Col d’Ornon	Closed in the La Paute to Col d’Ornon direction, from the La Paute hamlet junction to the entrance to Chantépérier, from 11:30 to 17:00.

Roads closed to all vehicles, including bicycles not taking part in the event. Subject to change.

Thursday 6 August - Alpe d’Huez Triathlon

Traffic will be heavily disrupted between Rochetaillée and Bourg d’Oisans, with several afternoon closures.

Road / sector	Time / restriction
D1091	Traffic heavily disrupted from Rochetaillée to Bourg d’Oisans.
D211 and D211f	Closed in the Alpe d’Huez to Bourg d’Oisans direction from 14:15 to 17:00.
D526	Closed in both directions from the D43a / D526 junction to Pont de l’Eau d’Olle, from 14:00 to 15:30.

Triathlon page

Thursday 13 August - Villard-Reculas open-road cycling session

To be confirmed

Road / sector	Time / restriction
D44 and D44b	Closed to motor vehicles between Pont Rouge and Place Bernard Barlerin in Villard-Reculas, from 08:45 to 12:00.

Practical advice during road closures

Plan ahead: allow extra time to reach Alpe d’Huez, Bourg d’Oisans, Allemond, Villard-Reculas or the major climbs.
Check before travelling: times may change depending on decisions by the authorities, weather and event progress.
Be careful with cycling access: some closures also apply to bicycles not taking part in the official event.
Book your bike early: Marmotte, L’Étape du Tour, Tour de France and Triathlon weeks are very busy for road bike hire.

Traffic conditions Book a road bike

Cycling events Road bike hire Cycling climbs & routes

Frequently asked questions about road closures in Oisans

Can road closure times change?

Yes. Closure times and conditions may be changed by the authorities. Police may also close roads before the official closure time.

Do closures also apply to cyclists?

Some closures apply to all vehicles, including bicycles. This does not apply to riders officially taking part in the event.

Where can I check real-time traffic conditions?

Real-time traffic conditions are available on itinisere.fr. For the Tour de France, practical information is also announced on oisans.com/tdf26.

Should I book my bike during event weeks?

Yes, early booking is strongly recommended. Marmotte, L’Étape du Tour, Tour de France and Triathlon weeks are very busy for road bike hire in Alpe d’Huez.

This information is provided to help you plan your travel during the 2026 summer cycling events. It may be subject to change.

Altitude Sports Vieil Alpe • Road bike hire Alpe d’Huez • +33 4 76 80 49 76