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Bike touring routes & trails

Bourgogne-Franche-Comté

Lons-Le-Saunier

Syam Forge – Pertes de l'Ain loop from Sirod

Bike touring routes & trails

Bourgogne-Franche-Comté

Lons-Le-Saunier

Syam Forge – Pertes de l'Ain loop from Sirod

Moderate

4.0

(4)

41

riders

Syam Forge – Pertes de l'Ain loop from Sirod

01:54

20.8km

270m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: August 7, 2026

Tips

Includes a segment in which cycling is not permitted

After 17.3 km for 115 m

Waypoints

A

Start point

Parking

1

1.69 km

Tunnel of Sirod

Highlight • Other

/!\ Crossing prohibited /!\

Translated by Google •

Tip by

2

13.7 km

Syam Forge

Highlight • Other

This forge is a part of the local industry heritage. This factory was powered by the water ernergy of the Ain river.

Tip by

3

13.8 km

Old Stone Bridge

Highlight • Other

4

14.0 km

Syam Castle and Ironworks

Highlight • Castle

This former house of the master of the Syam ironworks Jean-Emmanuel Jobez impresses with its incongruity. This castle, which is inspired by Italian culture, is also called Villa Palatina. Close …

Translated by Google •

Tip by

5

17.4 km

Pertes de l'Ain

Highlight • River

Several million years ago, the Ain was lost underground, in a labyrinth of cavities, an underground gallery called "losses". Over time, the work of water erosion has done its work, …

Translated by Google •

Tip by

B

20.8 km

End point

Parking

Way Types & Surfaces

Way Types

13.7 km

3.99 km

1.62 km

1.48 km

< 100 m

Surfaces

15.0 km

4.26 km

1.20 km

249 m

< 100 m

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Elevation

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

Highest point (640 m)

Lowest point (530 m)

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Weather

Powered by Foreca

Wednesday 14 October

21°C

3°C

0 %

Additional weather tips

Max wind speed: 6.0 km/h

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