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Routes
Running trails & routes
France
Auvergne Rhône Alpes
Nantua
Martignat

Lake Nantua – Lake Genin loop from Martignat

Hard

379

runners

Lake Nantua – Lake Genin loop from Martignat

06:42

49.1km

1,590m

Running

Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required. The starting point of the route is accessible with public transport.

Last updated: March 29, 2026

Waypoints

A

Start point

Bus stop

Get Directions

1

11.3 km

Lake Nantua

Highlight • Lake

This glacial lake backed by limestone cliffs is sometimes sapphire and sometimes emerald in color - Alexandre Dumas wrote in his book Impression de voyage in 1834: “This pretty little sapphire blue lake set like a jewel, which nature fears to lose. »

Translated by Google •

Tip by

15.5 km

Viewpoint

Viewpoint

3

16.1 km

17.1 km

Ancienne ferme du "tonkinois" (camps de triage des maquisards)

Ruins

27.7 km

La Grande Montagne

Forest

6

30.3 km

Lake Genin

Highlight • Lake

Nicknamed the little Canada of Haut-Bugey, this mountain lake, with its alpine firs and turquoise waters, is an ideal destination in the Ain for a bike ride. At 850 meters altitude, surrounded by conifers, this lake offers a moment of freshness on beautiful days and can be a place for ice skating in winter (skate rental at the Auberge du Lac Genin).

Showing Translation

Tip by

7

30.4 km

Playground

Highlight • Other

8

31.1 km

Source

Highlight • Other

9

32.7 km

Ascent to Lac Genin

Highlight (Segment) • Climb

Trail des Maquisards at night: it’s cold but magical!

Translated by Google •

Tip by

B

49.1 km

End point

Bus stop

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Way Types & Surfaces

Way Types

20.7 km

14.1 km

6.05 km

5.15 km

2.56 km

539 m

Surfaces

21.5 km

7.22 km

6.75 km

4.65 km

4.20 km

4.10 km

769 m

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Elevation

Elevation

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

Highest point (1,040 m)

Lowest point (480 m)

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Weather

Powered by Foreca

Monday 15 June

29°C

9°C

-- %

Additional weather tips

Max wind speed: -- km/h

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