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Mountain biking trails
Spain
Pirineos
Esteribar

Eugi Reservoir Mountain Loop

Hard

3

riders

Eugi Reservoir Mountain Loop

03:17

28.3km

990m

Mountain biking

This difficult 17.6-mile mountain biking route near Eugi offers challenging terrain, panoramic views, and 3247 feet of elevation gain.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

Get Directions

1

15.5 km

Lizartzu Trail

Highlight (Segment) • Trail

Very cool and entertaining path that is usually a good alternative to the descent from the top of Adi towards the Lizartzu pass.

Translated by Google •

Tip by

2

26.0 km

Panoramic views from Gurutxaga

Highlight • Viewpoint

When you arrive at the Gurutxaga Dolmen you will be able to appreciate these beautiful views of the Eugi valley. If you continue downhill towards the reservoir, the path takes you to the town of Eugi next to the reservoir.

Translated by Google •

Tip by

B

28.3 km

End point

Parking

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Way Types & Surfaces

Way Types

16.8 km

9.62 km

997 m

853 m

Surfaces

24.2 km

2.22 km

938 m

853 m

< 100 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 (1,130 m)

Lowest point (640 m)

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Weather

Powered by Foreca

Thursday 21 May

29°C

11°C

0 %

Additional weather tips

Max wind speed: 9.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park for the Eugi - Zilbeti – circular por Gurutxaga trail?

While specific parking areas for this exact route are not detailed, Eugi is a common starting point for mountain biking in the region. You can typically find parking in or around the village of Eugi, which serves as a gateway to the trails in the Eremua Espacio BTT y Trail network.

Is the Eugi - Zilbeti – circular por Gurutxaga trail dog-friendly?

Generally, trails in the Navarre Pyrenees are dog-friendly, but it's always recommended to keep your dog on a leash, especially in areas with livestock or wildlife. Given the challenging nature of this route, ensure your dog is fit enough for a long and difficult mountain bike ride.

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

The best time to ride this trail is typically during the spring, summer, and early autumn months. During these periods, you'll experience more favorable weather conditions, less mud, and better visibility for enjoying the panoramic views. Winter can bring snow and ice, making the difficult terrain even more challenging or impassable.

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

This trail is part of the Eremua Espacio BTT y Trail network. While specific permits for individual rides are generally not required for public trails in this region, it's always good practice to check the official website of the Eremua BTT y Trail or local tourism offices (like visitnavarra.es) for any updated regulations or fees, especially for organized events or specific areas.

What is the terrain like on this mountain bike route?

The terrain on this route is diverse and demanding, characteristic of the Navarre Pyrenees. You can expect a mix of roots, rock gardens, and technical sections, along with flow sections. The trail traverses mountain meadows, heathland, and native forests, including idyllic oak and beech woods. Be prepared for steep ascents and descents, and potentially river crossings.

What are the main points of interest or scenic views along the route?

This route offers stunning natural beauty. Key highlights include the Lizartzu Trail, known for its scenic sections, and the Panoramic views from Gurutxaga, which provides expansive vistas of the surrounding mountainous landscape. You'll also ride through picturesque oak and beech woods and potentially see parts of the Eugi reservoir area.

Does this route connect with other mountain bike trails?

Yes, this route intersects with several other trails in the area. You'll find sections that are part of the Zilbeti - Sorogain, Zilbeti - Tiratun, Nafarroa Xtrem, Erro - Zilbeti, 1938ko Ezkabako Ihesa, Leñariko bidea, Karrobidea, Zilbetiko bidea, Urepelbidea, and Adiko bidea trails. This extensive network offers opportunities to explore further if you wish.

Is this mountain bike trail suitable for beginners?

No, this trail is officially rated as 'difficult' and is not recommended for beginners. The terrain includes technical challenges, steep ascents, and demanding descents, making it more suitable for experienced mountain bikers looking for a challenging ride.

Are there any specific regulations or tips for riding within the Eremua Espacio BTT y Trail park?

As part of the Eremua Espacio BTT y Trail, riders should adhere to general trail etiquette: stay on marked paths, respect private property, do not disturb wildlife, and carry out all trash. Given the challenging nature of many routes in this park, always ride within your limits and ensure your equipment is in good condition. Check the park's official resources for any specific rules regarding trail closures or seasonal restrictions.

What should I bring for a mountain bike ride on this trail?

Given the trail's difficult rating and length, you should bring appropriate mountain biking gear, including a well-maintained bike, helmet, gloves, and protective padding. Carry plenty of water, snacks, a repair kit (including spare tubes/patch kit), a first-aid kit, and navigation tools. Weather can change quickly in the mountains, so pack layers and waterproof outerwear.

Are there places to eat or stay near the trail?

The village of Eugi, a common starting point for trails in this area, offers options for cafes, restaurants, and accommodation. Zilbeti may have more limited services, but you can typically find places to refuel and rest in the larger towns surrounding the trail.

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