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Spain
Basque Country
Gipuzkoa
Goierri
Ataun

Aralar Tour

Hard

4

runners

Aralar Tour

01:40

10.9km

430m

Running

This difficult 6.7-mile (10.9 km) trail running route from Lizarrusti to Sarastarri in Aralar Natural Park features 1400 feet (427 metres) o

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Aralar parke naturala/Parque Natural de Aralar

Waypoints

A

Start point

Parking

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1

4.48 km

Lareo Reservoir

Highlight • Lake

small but beautiful reservoir that can be turned around on a comfortable track surrounded by a very beautiful beech forest.

Translated by Google •

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2

6.34 km

Monte Cormor (995 m)

Highlight • Summit

Summit of the Sierra de Aralar located in the natural park of the same name. In its surroundings there are a good number of cavities and caves that attract archaeologists …

Translated by Google •

Tip by

B

10.9 km

End point

Parking

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Way Types & Surfaces

Way Types

4.59 km

4.02 km

2.18 km

< 100 m

Surfaces

4.65 km

2.73 km

2.46 km

1.01 km

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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 (950 m)

Lowest point (630 m)

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Weather

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Wednesday 20 May

31°C

12°C

-- %

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This route was planned by komoot.

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Frequently Asked Questions

How long does it typically take to complete the Sarastarri trail running route?

This trail is designed for trail running and typically takes around 1 hour and 40 minutes to complete. However, your actual time may vary depending on your fitness level and how often you stop to enjoy the scenery.

Where does the trail start and are there parking options?

The trail begins at the Port of Lizarrusti, which is a well-known access point to the Aralar Natural Park. There is often an interpretation center and an inn at Lizarrusti, suggesting amenities and parking facilities are available there for visitors.

Is the Sarastarri trail suitable for beginners?

No, this trail is rated as difficult for trail running. It involves a significant elevation gain of over 400 meters and can be challenging, requiring good physical fitness and careful footing, especially in certain sections. It is not recommended for beginners.

What are the main points of interest along the route?

The route offers several notable features. You'll pass by the tranquil Lareo Reservoir, surrounded by beautiful beech forests. The trail also leads to the Monte Cormor (995 m) summit, and the area is known for the unique Sarastarri Cave and the Sarastarri Summit, which provides excellent panoramic views.

What is the terrain like on this trail?

The terrain is diverse, featuring mostly accessible paths but with some sections that demand careful footing. You'll navigate through extensive beech forests, and parts of the path can narrow into small tracks, particularly around the Lareo reservoir. Expect significant ascents and descents.

What is the best time of year to trail run the Sarastarri route?

The trail is beautiful year-round, but autumn is particularly vibrant when the beech trees around the Lareo reservoir are at their peak. Be aware that the area is prone to fog and low clouds, which can impact visibility, especially at higher elevations.

Do I need any permits or pay an entrance fee for the Aralar Natural Park?

Generally, there are no specific permits or entrance fees required to access the trails within the Aralar Natural Park for activities like trail running. However, it's always a good idea to check with the Lizarrusti Interpretation Center for any current regulations or local advisories before your visit.

Is the Sarastarri trail dog-friendly?

While many natural parks in Spain allow dogs, specific rules can vary. It's best to confirm with the Lizarrusti Interpretation Center or local park authorities regarding dog policies, including leash requirements, to ensure a smooth visit with your canine companion.

Are there any unique natural features to look out for?

Yes, beyond the stunning beech forests and the Lareo Reservoir, the area is notable for the Sarastarri Cave, a unique karst cave with a small internal lagoon. If you plan to explore it, a headlamp is essential. The region around the Sarastarri summit also features numerous other caves.

Does this route connect with other trails in the Aralar Natural Park?

Yes, this trail running route intersects with several other official paths. A significant portion of the route follows sections of the Aralarko bira (72%) and the Lareo ibilbidea (69%). You'll also find it crosses parts of the Artzaintza naturbidea (54%) and the E1 Gaztaren Ibilbidea: Lizarrusti - Ordizia (53%), among others.

What kind of views can I expect from the Sarastarri summit?

From the Sarastarri summit, you can expect privileged panoramic views of the Aralar region. On clear days, you'll be able to see prominent peaks like Txindoki and Ganboa, and even the distant Urbasa and Andía mountain ranges, offering expansive vistas of the surrounding natural landscape.

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