4.0
(1)
3
hikers
02:45
8.44km
410m
Hiking
Hike the moderate 5.2-mile Onzo - Colla d'Onzo Trail for varied terrain, Mediterranean vegetation, and panoramic views.
Last updated: February 26, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
Waypoints
Start point
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66 m
Highlight • Settlement
4.27 km
Colla d'Onzo
Mountain Pass
8.44 km
End point
Way Types & Surfaces
Way Types
6.24 km
2.20 km
Surfaces
6.26 km
2.13 km
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Elevation
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Weather
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Sunday 17 May
15°C
5°C
58 %
Additional weather tips
Max wind speed: 12.0 km/h
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This route was planned by komoot.
The trail offers varied terrain, including natural paths, quiet country roads, and mule tracks. You'll walk through shady woods, olive groves, and Mediterranean vegetation. Be aware that some unpaved roads, especially leading up to Colla d'Onzo, can be in poor condition. Towards Castell'Ermo, the path becomes steeper and may include cobbled sections.
The scenery is a significant highlight. You'll pass through characteristic Mediterranean vegetation and olive groves. From higher points, particularly if you extend to Castell'Ermo, you can enjoy magnificent 360-degree panoramic views of the snow-capped Ligurian Alps, the Gulf of Genoa, and the plain of Albenga. The ancient San Calogero church near the summit of Castell'Ermo also adds historical interest.
The full route, covering 8.4 km with 412 meters of elevation gain, is estimated to take around 2 hours and 45 minutes to complete. If you extend to Castell'Ermo from Colla d'Onzo, expect additional time, with the ascent alone taking 1.5 to 1.75 hours.
The trail is generally classified as moderate. While some sections are easy, the unpaved roads and steeper, cobbled mule tracks towards higher elevations like Castell'Ermo require a reasonable level of fitness. It's a good option for hikers with some experience.
Spring and autumn are ideal for hiking this trail, offering pleasant temperatures and vibrant Mediterranean flora. Summer can be hot, especially in open sections, while winter might bring colder conditions and potentially snow at higher altitudes in the Ligurian Alps, though the immediate trail area is generally accessible.
Yes, the trail is generally dog-friendly. However, it's always recommended to keep your dog on a leash, especially in areas with livestock or near roads, and to be mindful of other hikers and wildlife.
No, there are no permits required or entrance fees to access the Onzo - Colla d'Onzo Trail. It is freely accessible to the public.
Parking is typically available in or near the village of Onzo. If you plan to reach Colla d'Onzo by car, be aware that the unpaved road leading up to it can be in poor condition. Consider parking in Onzo and starting your hike from there for a more consistent experience.
Yes, the route intersects with other paths. The entire route is part of the official Onzo - Colla d'Onzo trail. It also covers significant sections of the Terre Alte (Ponterotto - Nasino - Monte Alpe - Erti - Zuccarello) trail and smaller parts of the Menezzo - Colla d'Onzo, Arnasco - Cappella di San Calogero - Prati di Bacelega, and Nasino - Colla d'Onzo routes.
Onzo is a small village, but you may find local establishments for refreshments or a meal. It's advisable to check opening hours in advance, especially outside of peak tourist season. For more options, consider nearby larger towns.
Given the varied terrain and moderate difficulty, we recommend sturdy hiking shoes, sufficient water, snacks, sun protection (hat, sunscreen), and layers of clothing suitable for changing weather conditions. A map or GPS device is also useful for navigation.