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Gravel rides
France
Ile-de-France
Mantes-La-Jolie

Issou

The best gravel rides around Issou

4.5

(25)

141

riders

36

rides

Gravel biking around Issou offers a diverse landscape characterized by varied terrain and significant elevation changes, suitable for different skill levels. The region features challenging climbs and rugged paths, making it an ideal destination for gravel cyclists. Gravel bikes are well-suited for navigating the mix of paved surfaces and dirt trails found in the area, providing versatility for exploration.

Best gravel bike trails around Issou

  • The most popular gravel bike trail is View of Îlon Harbor – View of the route des crêtes loop from Follainville-Dennemont, a 26.4 miles (42.5 km) trail that takes 3 hours 25 minutes to complete. This moderate route offers scenic views of Îlon Harbor and follows a route des crêtes.
  • Another top favourite among local gravel bikers is Villette Castle – Viewpoint overlooking the Oise loop from Meulan - Hardricourt, a difficult 52.6 miles (84.7 km) path. This route passes by Villette Castle and provides expansive views overlooking the Oise River.
  • Local gravel bikers also love the Palace of Versailles – Route Royale, Marly Forest loop from Nézel - Aulnay, a 42.7 miles (68.8 km) trail leading through Marly Forest and past historical landmarks, often completed in about 5 hours 3 minutes.
  • Gravel biking around Issou is defined by varied terrain, challenging climbs, and historical landmarks. The network offers options for different ability levels, from moderate loops to more difficult, longer routes.
  • The routes in Issou are highly rated by the komoot community with an average score of 4.6 stars from over 25 reviews. More than 140 gravel bikers have used komoot to explore Issou's varied terrain.

Last updated: July 3, 2026

4.5

(4)

17

riders

#1.

Viewpoint overlooking the Oise – Oise Riverbanks loop from Meulan - Hardricourt

84.9km

05:13

720m

720m

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Hard

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate
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Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.

Hard

Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

Easy
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Popular around Issou

Natural beauty on Île-de-France – mountain biking around Paris

Cycling around Issou

Road Cycling Routes around Issou

MTB Trails around Issou

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Natural beauty on Île-de-France – mountain biking around Paris

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Fred Urrutia

Tips from the Community

Olivier
June 15, 2026, Château de Villette

just beautiful

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Olivier
October 19, 2025, Château de Villette

a short break for a drink with a beautiful view

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Olivier
October 18, 2025, Bords de l'Oise

landscaped and easy on the eye

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Please note: if you want to park there to go hiking, the car park is currently only open from 2:00 p.m. on Sundays.

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Lots of beautiful things to see in this part of Vexin

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On the Seine à Vélo route in Les Mureaux, a quick stop for a drink or coffee. Open: Wednesday to Sunday from 12:15 p.m. to 2:00 p.m. and Friday and Saturday from 7:15 p.m. to 9:30 p.m.

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Suard
July 21, 2025, Belle vue

magnificent view

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superb view, magnificent

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Frequently Asked Questions

How many gravel bike trails are there around Issou?

Issou offers a selection of over 30 gravel bike trails, catering to various skill levels. You'll find a mix of easy, moderate, and difficult routes to explore the region's diverse landscape.

What kind of terrain can I expect on gravel bike trails in Issou?

The gravel bike trails around Issou feature a varied terrain, including mostly paved surfaces and rugged paths. You can expect challenging climbs and significant elevation changes, making it ideal for gravel bikes that handle both roads and dirt trails seamlessly.

Are there any beginner-friendly gravel bike routes in Issou?

Yes, Issou has several routes suitable for beginners. There are 5 easy routes available. A good option to start with is the View of Îlon Harbor – View of the route des crêtes loop from Follainville-Dennemont, which is a moderate 26.4-mile (42.5 km) trail offering scenic views.

What are some challenging gravel bike routes for experienced riders in Issou?

For experienced gravel bikers seeking a challenge, Issou offers 10 difficult routes. Consider the Villette Castle – Viewpoint overlooking the Oise loop from Meulan - Hardricourt, a demanding 52.6-mile (84.7 km) path with substantial elevation gain, or the Chaussée Jules César – Axe Majeur footbridge loop from Meulan - Hardricourt, which covers nearly 100 km with significant climbing.

What do other gravel bikers enjoy most about the trails in Issou?

The gravel biking routes in Issou are highly rated by the komoot community, with an average score of 4.6 out of 5 stars from over 25 reviews. Riders often praise the varied terrain, the challenging climbs, and the opportunity to discover historical landmarks along the way.

Are there any historical landmarks or points of interest along the gravel bike trails?

Yes, several routes pass by notable landmarks. For instance, the Villette Castle – Viewpoint overlooking the Oise loop from Meulan - Hardricourt route goes by Villette Castle. You can also explore nearby attractions like Notre-Dame Church, Vétheuil, or Château de Jambville, which are close to the area.

Are there any loop trails for gravel biking in Issou?

Many of the gravel bike routes around Issou are designed as loops, offering convenient starting and ending points. Examples include the popular View of Îlon Harbor – View of the route des crêtes loop from Follainville-Dennemont and the Palace of Versailles – Route Royale, Marly Forest loop from Nézel - Aulnay.

What is the best time of year for gravel biking in Issou?

While specific seasonal data isn't available, the varied terrain and potential for rugged paths suggest that spring and autumn would offer the most pleasant conditions, with milder temperatures and potentially less extreme weather. Summer can be enjoyable, but be prepared for warmer temperatures, and winter might bring colder, potentially wetter conditions on some trails.

Are there options for parking near the gravel bike trails in Issou?

While specific parking locations for each trail are not detailed, many routes start from towns or villages like Follainville-Dennemont, Meulan - Hardricourt, or Nézel - Aulnay, where public parking is generally available. It's advisable to check the starting point of your chosen route for specific parking information.

Can I reach the gravel bike trails in Issou using public transport?

Some routes, such as the Ile aux Dames – View of Îlon Harbor loop from Mantes Station, start directly from Mantes Station, making them accessible via public transport. For other routes, you may need to combine public transport with a short ride to the trailhead.

Are there any routes that offer expansive views?

Yes, several routes provide excellent viewpoints. The Villette Castle – Viewpoint overlooking the Oise loop from Meulan - Hardricourt offers expansive views overlooking the Oise River, and the View of Îlon Harbor – View of the route des crêtes loop from Follainville-Dennemont provides scenic views of Îlon Harbor and follows a route des crêtes.

What is the average length and duration of gravel bike trails in Issou?

The gravel bike trails in Issou vary significantly in length and duration. You can find routes ranging from around 28 km, like the Ile aux Dames – View of Îlon Harbor loop from Mantes Station which takes about 2 hours 12 minutes, to longer, more challenging rides like the Chaussée Jules César – Axe Majeur footbridge loop from Meulan - Hardricourt, which is nearly 100 km and can take over 8 hours.

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