From your phone's store, download an App to view the GPX tracks.

Some Apps, like Komoot and Wikiloc have a navigation function (upon payment).
Download the GPX track for your chosen trail.
Upload the GPX file on your App and follow the track* minding the CAI's signposts.
Always check the weather before your trip!
* GPX tracks are taken on recreational level and they are not tested.
close info
close info
WARNING: trekking is not like walking! If you can't overcome a passage, go back!
Some of the tracks presented here are set along mountain trails where some passages may require holding to ropes or climbing short ladders, and may have exposed passages without safety protections. These tracts can be a serious danger if faced without the right equipment, awareness and physical condition.
ITINERARIUM® has no responsibility regarding the tracks presented here, their dangerousness, accessibility, praticability and safety. Who decides to take these tracks does it at their own risk.
youtube play iconClick here to watch the video!

4 alpine lakes: Agro lake, Monscera lake, Ragozza lake and Arza lake

San Bernardo hut - Il Dosso hut - Monscera pass - Gattascosa hut and peat bog

Val Bognanco - Val D'Ossola

share pinterest share copy share
Link copied to clipboard!
open info
length icon Length:
10.5 Km
time icon Our time:
4h00' walking
climb icon Total climb:
590 mt
height icon Min and max height:
1600 mt - 2110 mt
track ring icon Type of track:
ring track
surface icon Surface:
trail - dirt road
panorama icon Panorama:
lakes - mountains
coverage icon Cell network coverage:
winter icon Traced in winter:
bike icon Traced by bike:

The ring trail begins from the locality of San Bernardo and develops in the hollow of Alta Val Bognanco, touching 4 evocative alpine lakes. The path goes along part of the road built by the Regio Esercito (Royal Army) in 1928, along the ancient mule track that connected Domodossola to Canton of Valais (CH) across the Monscera pass. This path was used by shepherds who acquired, during the Middle Ages, the rights to graze in Valle Vaira, and by the “spalloni” (smugglers) who carried many goods though the pass; this path was also an important connection as shown by the passing of the Pope in 1275.
The itinerary leads to Il Dosso mountain hut and Arza alp, then proceeds along the trail “dei Cacciatori” (of Hunters) until the detour that leads to Arza lake, nestled under the north slope of Costa del Dosso.
The trail proceeds towards Monscera lake and the homonymous mountain pass, the latter went down in history for being one of the first passes flown over in 1913, when the pilot Bielovucic followed the route that, in his tragic fly, Geo Chavez should have done.
The itinerary proceeds towards Gattascosa mountain hut and goes down towards Ragozza lake and Agro lake.

go to map
go to the map
With your purchase you support ITINERARIUM's project, which will keep telling about our territory, its beauties, its history and its curiosities, always keeping all of the information free for everyone!
Zoom on track zoom track
START (parking)