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Routes
Mountain biking trails
Spain
Catalonia
Tarragona
Ribera D'Ebre
Flix

GR 99: Flix and Riba-roja d'Ebre Loop

Moderate

3

riders

GR 99: Flix and Riba-roja d'Ebre Loop

03:51

42.0km

750m

Mountain biking

This moderate 26.1-mile mountain biking route circles Pantano de Riba-roja, passing through Flix and offering panoramic Ebro River views.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

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1

1.08 km

Flix Castle

Highlight • Castle

Flix Castle is a walled fortification located on a hill near the center of Flix. Its geographical location made the castle one of the most important in the region.

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2

4.88 km

Viewpoint of Sebes Nature Reserve

Highlight • Viewpoint

The Sebes natural area is located on the left side of the Ebro river, near the municipality of Flix. A river space that preserves a good sample of vegetation that …

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3

18.2 km

Riba-roja Reservoir

Highlight • Lake

The Riba-roja reservoir is located between Aragon and Catalonia. The reservoir has a hydroelectric power plant, which is why its main use is power generation, although it is also used …

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B

42.0 km

End point

Parking

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Way Types & Surfaces

Way Types

26.0 km

8.56 km

4.14 km

2.94 km

378 m

Surfaces

24.5 km

9.03 km

4.63 km

3.55 km

291 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 (460 m)

Lowest point (40 m)

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Weather

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Wednesday 20 May

32°C

14°C

0 %

Additional weather tips

Max wind speed: 19.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How long does this mountain biking route typically take?

This mountain biking route, covering approximately 42 km with an elevation gain of about 747 meters, typically takes around 3 hours and 51 minutes to complete. This duration is an estimate and can vary based on your pace and stops.

What is the difficulty level of the Pantano de Riba-roja circular route?

This route is rated as moderate. While it features varied terrain including old carriage roads and dirt tracks, some sections involve an abrupt descent and remote paths, suggesting a balanced experience that can be both restful and adventurous. Riders should be prepared for a mix of surfaces.

What kind of terrain can I expect on this mountain biking trail?

The trail offers a varied terrain, including old carriage roads and abandoned stock routes. You'll traverse a mix of paths and dirt tracks, some of which may be remote. Expect sections with an abrupt descent down the slopes of Escambriu to the Ebro riverbank, followed by a towpath along the river. The route also winds through almond groves and includes secondary tracks, as well as descents along the shady slope of Escambrons.

What are the main sights and viewpoints along the route?

You'll encounter several notable sights and panoramic viewpoints. Highlights include the historic Flix Castle, the scenic Viewpoint of Sebes Nature Reserve, and the expansive Riba-roja Reservoir. The route also offers breathtaking vistas from viewpoints like the 'mirador de Pauls y Fatarella' and the 'mirador del embalse de Riba-roja', showcasing the winding Ebro River and lush glades.

Where can I park to access the trailhead for this route?

While specific parking locations are not detailed, the route is circular and passes through the villages of Riba-roja d'Ebre and Flix. It is generally advisable to look for public parking within these villages, which serve as convenient starting and ending points for the loop.

Is the Pantano de Riba-roja – circular por Flix y el mirador de la Ribera d'Ebre route dog-friendly?

Generally, trails in this region are dog-friendly, especially if kept on a leash. Given the natural areas and potential for wildlife, it's recommended to keep your dog under control. Always ensure your dog is well-behaved and that you clean up after them.

What is the best time of year to mountain bike this route?

The trail can be enjoyed during various seasons. Spring and autumn typically offer the most pleasant temperatures for mountain biking, with vibrant natural colors. Summer can be hot, so early morning or late afternoon rides are recommended. Winter rides are also possible, but check weather conditions for rain or colder temperatures.

Do I need any permits or pay entrance fees for this mountain biking trail?

No, there are no specific permits or entrance fees required to access and ride this mountain biking trail. It is generally open to the public for recreational use.

Does this trail connect with other well-known routes?

Yes, the route intersects with several other paths. You'll find sections that overlap with official trails such as E37, TransCatalunya. De Ponent, and Vall de Sant Francesc, among others. This indicates a well-established network for outdoor activities in the area.

Are there any historical or natural features to look out for along the way?

Absolutely. The Ebro River itself is a significant historical feature, having served as a crucial 'bi-directional highway' for centuries. You'll also pass through the Natural Interest Area of Sebes, which is excellent for bird watching, and experience the cultural charm of villages like Riba-roja d'Ebre and Flix, nestled within a narrow meander of the river.

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