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Routes
Mountain biking trails
Slovenia
Goriška
Miren-Kostanjevica

Trstelj – Miren Fire Road Climb loop from Občina Miren - Kostanjvica

Routes
Mountain biking trails
Slovenia
Goriška
Miren-Kostanjevica

Trstelj – Miren Fire Road Climb loop from Občina Miren - Kostanjvica

Hard

5.0

(2)

19

riders

Trstelj – Miren Fire Road Climb loop from Občina Miren - Kostanjvica

03:45

42.6km

880m

Mountain biking

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike. The starting point of the route is accessible with public transport.

Last updated: August 17, 2026

Waypoints

A

Start point

Bus stop

Get Directions

1

3.52 km

View of the Gorizia Plain from the Karst

Highlight • Viewpoint

last strip of the Po Valley and the hills all around

Translated by Google •

Tip by

4.94 km

Ruins

Ruins

3

9.81 km

Tito Stone Inscription

Highlight • Monument

Huge inscription Tito on the right, a view on Vipavska valley on the left

Tip by

4

15.2 km

Trstelj

Highlight • Viewpoint

From the summit, at an altitude of 643 metres, you can enjoy a wide view of the Slovenian Karst and the Gulf of Trieste to the south on clear days, and the Vipava Valley and the Gorizia Collio to the north.

Translated by Google •

Tip by

5

15.5 km

Stjenkova Hut on Trstelj

Highlight • Mountain Hut

Nice mountain hut, you can eat some tipical slovenian dishes and have a cold beer or a warm tea

Tip by

6

29.6 km

Kremenjak Hill Panoramic Viewpoint

Highlight • Viewpoint

Places crossed: Devetachi - Nova Vas - M. Kremenjak - Abisso Bonetti - Nova Vas - Opatje selo - Devetachi

Detailed description of the itinerary: isontinoinbici.it/ValichiDelCarso/mtb-carso-vallone-kremenjak-nova-vas.html

Photo Gallery: photos.app.goo.gl/wkVf9vi2vseroihM9

This itinerary straddles the boundary line that runs high and parallel to the state road 55, known as the "Vallone", which connects Gorizia to Monfalcone.
The layout is feasible only after Slovenia has entered the Schengen area (21-12-2007). Before this historic date, in the area affected by the route, the only entry gate to Slovenia was the 2nd category Devetachi pass, manned by the Italian Guardia di Finanza and the Slovenian Police and usable only by cross-border commuters with a special permit (even today it remains the only passable by car). Our itinerary today instead crosses the border line in 4 different points, on paths, dirt roads or agricultural paths.
The main feature of this route, without taking anything away from the beauties offered by the karst territory (autumn is a kaleidoscope of bright colors), is precisely this continuous entering and exiting freely from one state to another. Doing this before 2007-12-21 meant risking big problems.
Last note: even if there are no longer controls on the border line, don't forget to carry your identity card with you always and everywhere.

Translated by Google •

Tip by

7

32.9 km

Nicely marked macadam shortcut between Opatje Selo and Nova Vas for avoiding main street.

Tip by

35.8 km

Kal

Lake

9

36.6 km

Karst Singletrack with Stone Sculpture

Highlight (Segment) • Trail

Fast and fun karst path, in the middle of the bush and without altitude difficulties.

Translated by Google •

Tip by

10

39.1 km

Miren Fire Road Climb

Highlight (Segment) • Climb

A gravel road, which is an excellent alternative to the main asphalt road. Unfortunately, from this summer (2022) onwards, you can observe the devastation left by the largest forest fire in the history of Slovenia...

Translated by Google •

Tip by

B

42.6 km

End point

Bus stop

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Way Types & Surfaces

Way Types

26.3 km

12.0 km

3.85 km

566 m

< 100 m

Surfaces

24.7 km

14.0 km

2.24 km

1.37 km

187 m

149 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 (630 m)

Lowest point (40 m)

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Weather

Powered by Foreca

Monday 31 August

31°C

18°C

16 %

Additional weather tips

Max wind speed: 12.0 km/h

to get more detailed weather forecasts along your route

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