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Mountain hikes & routes

Sambrosera Fountain – OSA San Tomaso Snack Bar loop from Valmadrera

Mountain hikes & routes

Sambrosera Fountain – OSA San Tomaso Snack Bar loop from Valmadrera

Hard

7

hikers

Sambrosera Fountain – OSA San Tomaso Snack Bar loop from Valmadrera

04:59

10.1km

760m

Mountaineering

Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required. The starting point of the route is right next to a parking lot.

Last updated: August 12, 2026

Tips

Includes a segment that is highly dangerous

A part of this route comprises highly technical, difficult, or hazardous terrain. Specialist equipment and prior experience is required.

After 6.63 km for 202 m

Waypoints

A

Start point

Parking

1.50 km

Casota

Ruins

2

2.36 km

Sasso di Preguda and San Isidoro Chapel

Highlight • Natural Monument

Famous Masso Erratico located on Monte Moregallo at an altitude of 647m with a small chapel dedicated to San Isidoro

Translated by Google •

Tip by

3

4.39 km

Le Casote di Valmadrera

Highlight • Cave

4

4.45 km

Sambrosera Fountain

Highlight • Natural Monument

Small fountain along the way

Translated by Google •

Tip by

5

5.82 km

OSA San Tomaso Snack Bar

Highlight • Mountain Hut

It's a beautiful place to sunbathe and there's also a refreshment point

Translated by Google •

Tip by

6

6.54 km

30th OSA Via Ferrata at Corno Rat

Highlight • Climb

medium level via ferrata, not suitable for beginners. essential knowledge of via ferrata progression, and complete equipment of protective devices.

Translated by Google •

Tip by

7

6.63 km

Ferrata Corno Rat

Highlight • Climb

Vie ferrata completely redeveloped in 2021. The presence of new brackets and pegs has partially lowered the degree of difficulty.
The linked relationships are not yet updated to the new path:

ferrate365.it/vie-ferrate/ferrata-30-osa-corno-rat

vieferrate.it/pag-relazioni/lombardia/63-prealpi-lombarde/79-30-osa.html

Translated by Google •

Tip by

8

9.30 km

Trail Junction for Moregallo, Corno Birone, and Corni di Canzo

Highlight • Trail

from this junction the various ascending paths branch off to Monte Moregallo, Corno Birone, Corno Rat and other possible destinations

Translated by Google •

Tip by

B

10.1 km

End point

Parking

Way Types & Surfaces

Way Types

6.01 km

2.76 km

616 m

460 m

202 m

< 100 m

Surfaces

4.08 km

2.42 km

2.09 km

729 m

451 m

340 m

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Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (840 m)

Lowest point (260 m)

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Weather

Powered by Foreca

Thursday 15 October

19°C

11°C

0 %

Additional weather tips

Max wind speed: 5.0 km/h

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