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Switzerland
Ticino
Leventina
Bedretto

All'Acqua to Passo San Giacomo Trail

Moderate

5.0

(1)

14

hikers

All'Acqua to Passo San Giacomo Trail

04:52

11.2km

710m

Hiking

Hike to Passo San Giacomo from All'Acqua in Val Bedretto, a moderate 6.9-mile route with 2334 feet of gain, offering alpine views.

Last updated: February 26, 2026

Waypoints

A

Start point

Bus stop

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1

68 m

Ristorante All'Acqua and Chapel of All'Acqua

Highlight • Restaurant

Good restaurant and next to an interesting chapel.

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2

4.56 km

Chapel of San Nicolò Val d'Olga

Highlight • Religious Site

The first writings on the chapel, dedicated to St. Niklaus, date back to 1457. It served the pilgrims from the Formazza valley as a stopover, on the way over the …

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3

4.59 km

San Giacomo Infantry Bunker

Highlight • Historical Site

In 1926, the Swiss customs built a log cabin for their own use about 300 meters from the San Giacomo Pass. Towards the end of the 1930s, an infantry fortress …

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4

4.95 km

Fantastic view of the swamp area with Pizzo San Giocama in the background.

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5

5.57 km

San Giacomo Pass

Highlight • Mountain Pass

Easy pass crossing (2313 m, T2) and a little-used alternative route to the opening stage of the GTA over the Gries Pass. From Val Bedretto, the terrain is somewhat steeper, with flatter alpine terrain towards Val Formazza.

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B

11.2 km

End point

Bus stop

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Way Types & Surfaces

Way Types

7.34 km

2.42 km

1.08 km

222 m

119 m

Surfaces

6.58 km

3.19 km

1.06 km

222 m

< 100 m

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Elevation

Elevation

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

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Weather

Powered by Foreca

Saturday 30 May

13°C

5°C

46 %

Additional weather tips

Max wind speed: 6.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How difficult is the Ascent to Passo San Giacomo from All'Acqua?

This hike is classified as moderate, corresponding to a T2-T3 on the Swiss Alpine Club (SAC) Hiking Scale. While mostly accessible, some sections may be steeper and require careful footing. It requires good fitness and sure-footedness.

What kind of terrain can I expect on the trail?

The trail offers varied terrain. You'll start by crossing the Ticino River, then ascend through sparse but steep forests before reaching expansive alpine plateaus. The route winds through wild forests, across pastures, streams, and even some marshy areas. As you gain elevation, the landscape transforms, offering panoramic views. It's largely an alpine singletrack trail.

How do I get to the trailhead in All'Acqua?

The starting point in All'Acqua is conveniently accessible by public transport. If driving, there is likely parking available, though specific details on parking capacity are not provided. The path is generally easy to follow from All'Acqua.

What is the best time of year to hike to Passo San Giacomo?

The best time to hike this trail is typically during the warmer months when the snow has melted, usually from late spring to early autumn. The Val Bedretto is snow-covered in winter, and conditions can be affected by avalanche risk, making it unsuitable for regular hiking.

Is the Ascent to Passo San Giacomo trail dog-friendly?

While the trail itself is generally suitable for dogs, it's always recommended to keep them on a leash, especially in alpine pastures where livestock may be present, and to protect local wildlife. Ensure your dog is fit enough for a moderate hike with varied terrain.

Are there any permits or fees required for this hike?

No specific permits or entrance fees are mentioned or typically required for hiking this route to Passo San Giacomo. The Val Bedretto is known for its unspoiled nature and lack of extensive infrastructure.

What notable features or historical sites can I see along the route?

Along the route, you can explore several interesting points. You'll pass the Chapel of San Nicolò Val d'Olga, a historical stopover for pilgrims. Near the pass, you can find the San Giacomo Infantry Bunker, a remnant of Swiss military positions. The pass itself, San Giacomo Pass, is a historical trade route and border crossing.

What views can I expect from the trail and the pass?

As you ascend, you'll get a View of the marshland and Pizzo San Giacomo. From the San Giacomo Pass, you'll be treated to panoramic views of the high Val Formazza and Lake Toggia. The Val Bedretto itself offers views of commanding peaks like Pizzo Pesciora, Pizzo Rotondo, and Chüebodenhorn.

Is the trail a loop or an out-and-back route?

This specific route, 'Ascent to Passo San Giacomo from All'Acqua in Val Bedretto', is an out-and-back trail. You will return along the same path to All'Acqua.

Are there any places to eat or stay near the trailhead?

Yes, at the starting point in All'Acqua, you can find the Ristorante All'Acqua, which also has the Chapel of All'Acqua nearby. This provides an option for refreshments or a meal before or after your hike.

Does the trail intersect other well-known paths?

Yes, sections of this route overlap with other trails. You will find parts of the 'Alla Baita-Alpe di Cruina' (32%), '08N - Capanna Cristallina - Rifugio Maria Luisa' (25%), and the '13-Alpine Passes Trail' (20%) along this ascent.

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