Pra Isio via Prati di Gaggio Trail
Pra Isio via Prati di Gaggio Trail
03:41
8.29km
750m
Hiking
Hike the difficult 5.2-mile Trail 420 from Berbenno di Valtellina to Pra Isio Stone Houses, gaining 2462 feet to see historic stone building
Last updated: February 26, 2026
Tips
Includes a segment that may be dangerous
A part of this route comprises technical, difficult, or hazardous terrain. Specialist equipment and prior experience may be required.
After 7.62 km for 57 m
Waypoints
Start point
Parking
Get Directions
5.70 km
Highlight • Settlement
Translated by Google •
Tip by
7.47 km
Highlight • Mountain Hut
8.29 km
End point
Parking
Way Types & Surfaces
Way Types
3.89 km
1.92 km
1.90 km
578 m
Surfaces
4.07 km
1.89 km
1.34 km
987 m
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Elevation
Highest point (1,640 m)
Lowest point (890 m)
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Weather
Powered by Foreca
Today
Wednesday 15 July
29°C
16°C
25 %
Additional weather tips
Max wind speed: 6.0 km/h
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This route was planned by komoot.
You can find convenient parking in Berbenno di Valtellina, specifically near the town hall. This makes for easy access to the trailhead.
The Trail 420 is officially rated as difficult. While some sections are accessible, parts of the route are described as technical, difficult, or even hazardous. It involves a significant elevation gain of 750 meters over 8.29 km. Hikers should have good fitness, be sure-footed, wear sturdy shoes, and ideally have some alpine experience. It might not be the best choice for beginners or young children.
The trail offers varied terrain, starting from Via Roma in Berbenno di Valtellina. You'll encounter a mix of forest paths, open meadows, and some rocky sections, providing an authentic alpine feel. A significant portion is shaded, and you'll pass through areas like Prati di Gaggio, showcasing typical Valtellina landscapes with terraced vineyards and traditional alpine meadows.
The primary highlight is the destination itself: the Pra Isio Stone Houses and Troughs. These weathered stone buildings offer a unique glimpse into centuries of mountain farming. You'll also pass through Prati di Gaggio, and the wider Valtellina area is known for its terraced vineyards with dry-stone walls, recognized by UNESCO as Intangible Cultural Heritage.
While the trail itself doesn't explicitly prohibit dogs, given its difficult rating and potentially technical or hazardous sections, it's crucial to assess your dog's fitness and agility. Always keep your dog on a leash, especially in areas with wildlife or other hikers, and ensure you carry enough water for both of you.
The trail offers a rewarding experience with varied terrain. While specific seasonal recommendations aren't provided, generally, spring through autumn would be ideal for hiking in the Alps, avoiding heavy snow or extreme heat. Always check local weather conditions before you go.
There are no specific permits or entrance fees mentioned for hiking Trail 420 itself. While the trail is in the vicinity of the Riserva Naturale Piramidi di Postalesio, standard hiking access applies. Always respect local regulations and leave no trace.
Yes, the trail research indicates that fountains are available along the way, which can be useful for cooling off or refilling water bottles. However, it's always wise to carry sufficient water, especially on a difficult hike.
Based on the description from Berbenno di Valtellina to Pra Isio Stone Houses, this trail is primarily an out-and-back route. There is no mention of it being a loop trail.
Given the trail's difficult rating, varied terrain, and significant elevation gain, you should wear sturdy hiking boots with good ankle support. Dress in layers suitable for changing mountain weather, and bring essentials like water (despite fountains), snacks, a map or GPS, sun protection, and possibly trekking poles for stability on technical sections.
The trail is rated as difficult, and parts can be technical or hazardous. In winter, these conditions would likely be exacerbated by snow and ice, potentially requiring specialist equipment like snowshoes or microspikes, and prior winter hiking experience. It's best to check local conditions and forecasts before attempting the trail in winter.
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