Col du Portillon from Bagnères-de-Luchon

10 km road cycling route660 m climbing44 minGPX

Bagnères-de-Luchon, France · Road

A mountainous 10 km road cycling route from Bagnères-de-Luchon through Saint-Mamet, with 660 m of climbing over Tuc dera Clòta. Most of it (9.1 km) is on main roads without a cycle lane.

Routed from the map This classic road was traced on OpenStreetMap and measured against the terrain model; no member has recorded it yet. Ridden it? Add your recording and photos.

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At a glance

Best for: Short, climbing-heavy rides for confident riders at ease in traffic
Distance: 10.3 km; Point to point
Elevation gain: 660 m; 64 m per km
Riding time: 44 min; moving time, estimated
Difficulty: Easy
Bike: Road bike; from the mapped surface
Surface: Paved; 97% paved · 2% unpaved · 1% no data
Traffic: Mostly main roads; 9.1 km on main roads without a cycle lane
Food & water: Regular; 35 cafés and restaurants · 5 shops · 8 water points · 3 public toilets · 1 bike shop
Best months: May to Oct; Bagnères-de-Luchon climate, 10 years
Navigation: GPX download; free, no sign-in
Start → finish: Bagnères-de-Luchon

Vista del Puerto del Portillón o Col du Portillon en invierno — Photo: Oriolsoleamiell · CC BY-SA 4.0 · Wikimedia Commons

Elevation profile

Total ascent: 660 m
Distance: 10 km

Route description

Bagnères-de-Luchon
Saint-Mametkm 1
Tuc dera Clòtakm 2

Starting in Bagnères-de-Luchon at 632 m, the route passes through Saint-Mamet at 1.4 km before beginning a sustained climb of 8.7 km gaining 653 m to reach the Col du Portillon at 1292 m. The average gradient of the climb is 7.5%, with sections peaking at 10.8%. The route is mostly on paved roads, with 97% paved surface, 88% on main roads and 5% on minor roads, primarily along the D 618a for 8.8 km. There are 9.1 km of main roads without a cycle lane. Amenities are available at the start near Bagnères-de-Luchon, including multiple cafés, patisseries, a supermarket, bike shop and toilets. However, there is a long stretch of 7.6 km from 2.7 km up to the finish without café, shop, or water. A bailout point is at Luchon at the start.

Why ride this route?

Climbs Tuc dera Clòta (8.7 km at 7.5 %).
Tops out at 1,292 m, 10.3 km in.
Crosses a border: France and Spain.

Highlights

Col du Portillon at 1292 m
Climb from 632 m to 1292 m
Passes through Saint-Mamet at 1.4 km
Long climb on D 618a main road

Along the route

Measured from the route line, the Copernicus elevation model and OpenStreetMap.

Places passed· crosses into Spain

Climbs

Climbs in ride order: where each starts, what this ride climbs, and the full named ascent
Climb	Starts at	On this ride	Full ascent	Top on this ride
Tuc dera Clòta	1.6 km	8.7 km · 653 m · 7.5 % · max 10.8 %	8.7 km · 653 m · 7.5 %	1292 m

High point 1292 m at 10.3 km; low point 632 m. Passes beneath Tuc dera Clòta, Tuc dera Clòta.

On this ride: the part this route climbs, cut from its own elevation profile. Full ascent: the whole named climb, measured the same way on every ride that uses it (its climb page).

Tuc dera Clòta · full ascent, starts at 1.6 km

8.7 km at 7.5% · 653 m

< 4%4 – 7%7 – 10%> 10%

Traffic, surface and gradient

Measured from OpenStreetMap along the track and the elevation profile.

This is not a cycle-track route: 88% is on main roads without a cycle lane. Riders should be comfortable sharing the road with faster traffic.

Roads: 88% main road · 5% minor road · 7% other roads and tracks
Main roads: 9.1 km on main roads without a cycle lane — likely busier
Main roads used: D 618a (9 km)
Surface: Paved: 97% of the route is mapped as paved, 2% as unpaved.
Gradient: 84% climbing · 1% descending · 15% flat
Steep sections: 7.4 km over 5% · 4.3 km over 8% · 1.4 km over 10%

Food, water and services

Within a few hundred metres of the track, from OpenStreetMap. Opening hours change — treat this as where to look, not a promise.

No stretch is longer than 15 km without a café, shop or water. Along the route: 35 cafés and restaurants, 5 shops, 8 water points, 3 public toilets and 1 bike shop.

Food, water and shops in ride order

0 kmLuchon MTB · bike shop · 120 m off route
0.1 kmPatisserie-Boulangerie Pène · patisserie · on the route
0.1 kmPharmacie des Thermes · pharmacy · on the route
0.2 kmCasino · supermarket · on the route
0.8 kmToilets · on the route
0.9 kmDrinking water · on the route
10.3 kmDrinking water · 230 m off route

Need to bail out?

0 km — Luchon (station), 830 m off route

Whether bikes are carried depends on the service — check before relying on it.

Worth a stop

5 km — Cascade Sidonie (attraction)

Start and access

Starts at Bagnères-de-Luchon. Mapped within a short walk of the start and finish, from OpenStreetMap.

At the start

Food and coffee: Patisserie-Boulangerie Pène (70 m), Maison Mayou (150 m), Cafe De La Paix (190 m)
Shops: Casino (140 m)

Know before you go

9.1 km on main roads without a cycle lane
7.6 km with no café, shop or water from 2.7 km to 10.3 km

Routes are for inspiration. Roads, surfaces and conditions change — check locally and ride within your limits.

2 photographs from the road

Photo: Fuchs Robert · CC BY 3.0 · Wikimedia Commons · Photo: Oriolsoleamiell · CC BY-SA 4.0 · Wikimedia Commons · Photo: Patrice78500 · CC BY-SA 4.0 · Wikimedia Commons

About this route

Route line: Routed on OpenStreetMap roads with bicycle routing, then measured like a recorded ride.
Elevation: Recalculated from the Copernicus GLO-90 terrain model every 50 m, not the device’s barometer.
Roads, surface, services: Measured along the line from OpenStreetMap extracts.
Best months: Ten years of ERA5 weather for Bagnères-de-Luchon (Open-Meteo).
GPX: Generated from the route line: track points only, no timestamps or personal data.
Page added: Sunday 30th August 2026
Page last updated: Sunday 13th September 2026

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Col du Portillon from Bagnères-de-Luchon