Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: January 21, 2026

Download GPX

Save

Move start point

Edit route

Navigate

Send to Phone

Waypoints

Start point

Train Station

Get Directions

26.5 km

Start of the Col de Portes from Serrières-de-Briord

Highlight • Other

Sign for the start of the Col de Portes starting from Serrières-de-Briord, with indications of altitude, difference in altitude, average slope...

Translated by Google •

Tip by

44.5 km

Fosses Pass

Highlight • Mountain Pass

Little traffic.
Beautiful panoramas of the Alps on the east side.

Translated by Google •

Tip by

45.7 km

Lac d'Ambléon

Highlight • Lake

A small altitude lake in the heart of Bugey. Easily accessible: on the roadside.

Translated by Google •

Tip by

50.5 km

Departure from Col des Fosses in Appregnin (information panel)

Highlight • Other

All the information you need about the upcoming climb: length, average gradient, etc.
A great initiative from the Ain Department.

Translated by Google •

Tip by

74.1 km

Portes Pass

Highlight • Mountain Pass

The Col de Portes (also called Calvaire de Portes) is located in the Bugey massif, at the southern end of the Jura massif in the Ain department. It peaks at …

Translated by Google •

Tip by

77.7 km

Golet au Loup

Mountain Pass

83.6 km

View of the Vallée Bleue

Highlight • Other

View of the Blue Valley of Montalieu-Vercieu during the descent from the Col de Fay.

Translated by Google •

Tip by

84.2 km

Col de Fay

Highlight • Mountain Pass

Nice flexible rise in postcard decorations.

Translated by Google •

Tip by

92.1 km

Ruins

108 km

End point

Train Station

Way Types & Surfaces

Way Types

89.8 km

10.3 km

7.25 km

387 m

190 m

136 m

Surfaces

106 km

1.77 km

209 m

< 100 m

Elevation

Highest point (1,000 m)

Lowest point (190 m)

Weather

Saturday 21 February

14°C

4°C

0 %

Additional weather tips

Max wind speed: 9.0 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.

Add komoot as a preferred source in your Google results

Add now

Nearby routes

Easy

4.5

428

The north hills of Lyon

01:48h

40.1km

280m

Moderate

4.4

Tour in the Dombes departmental reserve

02:56h

73.3km

290m

Easy

4.7

Walk towards the medieval city of Pérouge

01:49h

40.8km

220m

Moderate

3.3

Tour in the balconies of Dauphiné

03:58h

84.4km

880m

Hard

A circuit in Ain for climbers

08:09h

141km

3,420m

Hard

3.0

Reserve naturelle nationale du Haut Rhône Français - Loop

05:51h

114km

1,960m

Moderate

4.6

1,189

The Saône – Mont Thou loop from Charpennes - Charles Hernu (Ligne B)

02:02h

39.7km

640m

Moderate

4.4

405

Mas Rillier Climb – Madonna of Mas Rillier loop from République - Villeurbanne

01:45h

39.7km

270m

Moderate

4.3

504

Aqueduc du Gier – Col de la Luère loop from République - Villeurbanne

02:50h

57.5km

850m

Hard

4.8

609

Mount Cindre – Mount Thou loop from Crépieux-La Pape

02:39h

47.0km

1,010m

Moderate

4.3

392

Neuville sur ain – Simandre-sur-Suran loop from Pont-d'Ain

03:28h

78.3km

600m

Moderate

3.7

279

Blue Waters Lake – Miribel bike path loop from Charpennes - Charles Hernu (Ligne B)

01:01h

25.6km

60m

Lac d'Ambléon – Col de Fay loop from Meximieux-Pérouges

Start of the Col de Portes from Serrières-de-Briord

Fosses Pass

Lac d'Ambléon

Departure from Col des Fosses in Appregnin (information panel)

Portes Pass

View of the Vallée Bleue

Col de Fay

Nearby routes

Sign up or log in to keep exploring this route

We value your privacy ⛰️

We value your privacy ⛰️