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Christophe Bertrand

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and went mountain biking

October 12, 2025 at 12:51

(SEYSSUEL - 38) | Gorneton - Cornavan - Château Roche Piquée

Time

3h07m

Distance

16.1km

Speed

11.6km/h

Ascent

330m

Descent

330m

, and like this.

October 17, 2025

Seyssuel Castle is a former 12th-century episcopal castle, burned down by Jean de Torchefelon, Lord of Montcarra, who opposed the Archbishop of Vienne, Thibaud de Rougemont, who wanted to force him to become his vassalage.



The castle of the Bishops of Vienne was, however, rebuilt and preserved intact

Translated by Google •

and went mountain biking

May 1, 2025 at 12:49

Dombes (MIRIBEL - 01) | Statue Mas Rillier - Lacs Pyes - Pont/Barrage Jons

Time

3h36m

Distance

29.7km

Speed

15.5km/h

Ascent

260m

Descent

270m

likes this.

May 2, 2025

Parking: 216, route de Tuilière - Miribel (01700)

(to avoid traffic jams in the park!)

Circuits: the hillsides of Miribel and St Maurice de Beynost, the lakes of Pyes, the Jons-Niévroz dam bridge, then the (monotonous) towpath to reach Miribel Park.



Interesting sites along this route:



- The 33-meter-high

Translated by Google •

and went mountain biking

September 15, 2024 at 12:37

Mt du Lyonnais (CHAUSSAN) | panorama du Signal

Time

2h28m

Distance

15.5km

Speed

11.3km/h

Ascent

550m

Descent

530m

and went mountain biking

June 12, 2022 at 09:25

Massif de la Chartreuse (St PIERRE de ) | Guiers - l'Herbetan - Bois Coleau - rau Corbeillers

Time

1h44m

Distance

14.9km

Speed

12.0km/h

Ascent

450m

Descent

440m

June 16, 2022

Rau Corbeillers very beautiful valley

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and others went mountain biking

July 2, 2021 at 12:28

Mt du Lyonnais (MORNANT) | Lac de la Madone - mines et combe du Bozançon - Ste Catherine

Time

2h53m

Distance

25.6km

Speed

14.1km/h

Ascent

630m

Descent

600m

July 5, 2021

No swimming, it's only a fishing lake, what a shame! View of Riverie (medieval village), and passage through the Petit Bozançon viaduct

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and others went mountain biking

May 24, 2021 at 09:13

Le Monastère Grande Chartreuse (38442)

Time

5h07m

Distance

13.5km

Speed

9.5km/h

Ascent

500m

Descent

390m

July 5, 2021

At an altitude of 850 m, 35 fathers cells, 4 hectares of roofs, 8 bell towers ...

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and others went mountain biking

May 23, 2021 at 12:14

Massif de la Chartreuse (St PIERRE de ) |Forêt Océpé - Bois du Coleau - Bois du Grand Logis

Time

2h27m

Distance

25.5km

Speed

14.8km/h

Ascent

770m

Descent

760m

July 5, 2021

From Saint PIerre-de-Chartreuse

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and others went mountain biking

May 14, 2021 at 13:21

Mt du Lyonnais (BRIGNAIS) | Combe Gibaud - Bois Montrond -Combe Pinard (juste un verre !)

Time

2h56m

Distance

18.8km

Speed

10.8km/h

Ascent

470m

Descent

470m

July 5, 2021

Combe Gibaud, le Broulon (Bois de la Cure), Combe Pinard just a little drop!) then along the Mornantet (Bois de Montrond) Chassagny

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went for a bike ride

May 2, 2021 at 13:12

Randonnée à vélo 02.05.2021 18:48

Time

3h37m

Distance

32.5km

Speed

15.3km/h

Ascent

510m

Descent

480m

likes this.

went for a bike ride

March 28, 2021 at 12:38

Randonnée à vélo 28.03.2021 17:02

Time

2h24m

Distance

25.2km

Speed

14.4km/h

Ascent

400m

Descent

420m

likes this.

went for a bike ride

March 26, 2021 at 12:52

Randonnée à vélo 26.03.2021 17:01

Time

3h08m

Distance

28.1km

Speed

15.5km/h

Ascent

880m

Descent

890m

likes this.

went for a bike ride

February 5, 2021 at 13:03

1Randonnée à vélo 05.02.2021 17:07

Time

3h04m

Distance

29.3km

Speed

14.0km/h

Ascent

880m

Descent

870m

July 6, 2021

Departure from Messimy, via the chapel of Châteauvieux from the 11th century, crêt de Py Froid (above the climbing site), Lac du Ronzey (Maison du Lac: take the opportunity to drink a good Kwak), Col des Brosses, Croix de Leave

Translated by Google •

and went mountain biking

January 26, 2021 at 17:12

Isère (ROCHE) | Moulin de Bionne - Etang Four - ROCHE - Etang des Dames - Etang de Vaugelas

Distance

21.0km

Ascent

400m

Descent

390m

July 5, 2021

My grandmother "Gaby" and my grandfather "Marcel"'s village:



Vallon Moulin de Bionne, Etand de Four, Etang des Dames (do not descend from Tiercery via the Grands Fonds). No junction with Château-Parc Animalier de Moidière found, Vaugelas pond!

Translated by Google •