Routes

Planner

Features

Updates

App

Get the App

Routes

Mountain biking trails

Lac Roumassot – Ossau Valley loop from Bious Oumettes

Routes

Mountain biking trails

Lac Roumassot – Ossau Valley loop from Bious Oumettes

Moderate

riders

Lac Roumassot – Ossau Valley loop from Bious Oumettes

01:46

14.0km

670m

Mountain biking

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: May 20, 2026

Tips

Includes a very steep uphill segment

You may need to push your bike.

After 3.13 km for 2.63 km

Waypoints

Start point

Bus stop

Get Directions

1.17 km

Lac de Bious-Artigues

Highlight • Lake

Bious-Artigues is an artificial reservoir located at an altitude of 1,416 meters. Its compound name is the association of the name of the Bious valley with the term Artigues which designates clearings cleared in the Middle Ages.

Translated by Google •

Tip by

1.21 km

Lake Bious Artigues

Highlight (Segment) • Lake

Mountain reservoir with mountain panorama in the background.
The parking lot at the foot of the dam was the starting point of the hike

Translated by Google •

Tip by

5.23 km

Lac Roumassot

Highlight • Lake

Lake Roumassot is the lowest of the Ayous lakes. This natural lake of glacial origin is located at an altitude of 1,845 meters and serves as a summer pasture for …

Translated by Google •

Tip by

5.72 km

Lac du Miey

Highlight • Lake

Lac de Miey is located at an altitude of 1,914 meters in the Ossau valley. It is located between Lake Gentau higher up and Lake Roumassot below.

Translated by Google •

Tip by

6.14 km

Lac Gentau and View of Pic du Midi d'Ossau

Highlight • Lake

The Ayous lakes form a group of six lakes: Castérau, Miey, Gentau, Bersau, Paradis and Roumassot.

Arranged in stairs, they form a magnificent amphitheater to land and admire the Pic …

Translated by Google •

Tip by

6.18 km

Lac Gentau

Highlight • Lake

The Ayous lakes form a group of six lakes: Castérau, Miey, Gentau, Bersau, Paradis and Roumassot.

Arranged in stairs, they form a magnificent amphitheater to land and admire the Pic du Midi d'Ossau.

Translated by Google •

Tip by

6.67 km

Refuge d'Ayous

Highlight • Mountain Hut

The Ayous refuge is open from the end of May to the beginning of October. For the precise dates, which change from one year to the next, you can go …

Translated by Google •

Tip by

10.2 km

Ossau Valley

Highlight • Gorge

This valley follows the course of the Gave de Bious and offers a superb deep and clear panorama. A green expanse in contrast with the passes, peaks and rocky massifs …

Translated by Google •

Tip by

13.2 km

Lac de Bious-Artigues

Lake

14.0 km

End point

Bus stop

Way Types & Surfaces

Way Types

9.47 km

3.26 km

1.20 km

Surfaces

9.36 km

2.13 km

1.20 km

1.14 km

107 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Weather

Thursday 21 May

18°C

10°C

5 %

Additional weather tips

Max wind speed: 8.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

Navigate

Send to Phone

Save

Edit route

Download GPX

Move start point

Embed on a website

Report an Issue

Nearby routes

Moderate

4.8

200

Ibónes de Piedrafita y de Tramacastilla – circular por la pista de la Patacua

02:39h

26.6km

650m

Hard

4.5

Pic de Bazès Panoramic Loop

03:17h

29.5km

910m

Hard

4.3

115

Valle de Tena – Ibonciecho y Embalse de Lanuza desde Escarrilla

03:08h

29.4km

940m

Hard

4.0

Pista Partacua y Monte Pacino – circular desde Sallent de Gállego

02:51h

25.5km

770m

Hard

4.4

Refugio del Verde e Ibón de Sabocos – circular desde Panticosa

03:37h

32.3km

1,190m

Moderate

4.6

Parque Natural de los Valles Occidentales – Aguas Tuertas desde Selva de Oza (R1-Oza)

02:00h

21.3km

580m

Hard

Aspe and Ossau Valleys Foothills Loop

05:21h

60.7km

1,470m

Hard

4.3

Bergout, Ichantes, and Jaupins MTB Tour

02:40h

25.8km

960m

Hard

Autour du pic de l'Arraillhé

02:54h

26.5km

1,060m

Hard

Castiello de Jaca circular through Castiello Forest and Garcipollera Valley

02:40h

26.7km

700m

Hard

3.5

Vers le sommet de Plaatroubat à partir de Larruns

03:20h

27.6km

1,300m

Hard

Lo Serrano y Sierra de los Rios – circular from Hecho (R3+R4)

03:18h

27.4km

1,060m

Lac Roumassot – Ossau Valley loop from Bious Oumettes

Lac de Bious-Artigues

Lake Bious Artigues

Lac Roumassot

Lac du Miey

Lac Gentau and View of Pic du Midi d'Ossau

Lac Gentau

Refuge d'Ayous

Ossau Valley

Nearby routes

Sign up or log in to keep exploring this route

We value your privacy ⛰️

We value your privacy ⛰️