Via Alpina Red R88

MODERATE (2.1/10)

Sonogno → Efra

Distance
8.9 km
Ascent
+1,248 m
Descent
-146 m
Est. Time
3h 58m
Altitude
865.4–2,021.5 m
Type
point-to-point

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Via Alpina Red R88 is a 8.9 km point-to-point moderate hiking route in Switzerland, running from Sonogno to Efra. The route covers 1,248m of ascent and 146m of descent, with elevations ranging from 865m to 2,021m. Allow approximately 3h 58m for the full route.

The route is divided into 4 segments. The toughest stretch is the 7.1 km from Sonogno to Cima di Nèdro, climbing 907m (allow 3h 02m for this section).

About 58% of the trail is runnable, but the remaining steep sections will push most people into power-hiking mode. Some pitches hit 60% gradient, so trekking poles are strongly recommended.

Budget roughly 2,365 kcal of energy expenditure and 2.4 L of water.

Mid-altitude route up to 2022m. Accessible May–October.

Elevation Profile

1,000m1,200m1,400m1,600m1,800m2,000m0 km1 km2 km3 km4 km5 km6 km7 km8 km9 km2,022m866m
Flat (<5%) Easy (5–10%) Very Steep (>25%) Moderate (10–15%) Steep (15–25%)

Route Map

Trail Splits

Waypoint-to-waypoint breakdown with estimated hiking times (Naismith's Rule).

SegmentDist↑ Ascent↓ DescentTimeCum. km
📍
Sonogno Cima di Nèdro
7.1 km+907m-133m3h 02m7.1
⛰️
Cima di Nèdro Scaiee
1.0 km+146m-13m27 min8.1
⛰️
Scaiee Capanna Efra
0.8 km+196m-0m28 min8.9
🏠
Capanna Efra Efra
0.0 km+0m-0m0 min8.9
Total8.9 km+1,248m-146m3h 58m8.9

Pace & Fuel Calculator

Adjust your flat 10K pace to see personalized finish time, calorie burn, and hydration needs.

7:00 /km
4:00 /km (elite) 12:00 /km (leisure)
Fast Hiker / Jogger
Est. Finish Time
2h 40m
Calories
2,056 kcal
Water Needed
2.1 L
Effort Distance
22.1 km
flat-equivalent
🍫 Recommended: ~45g carbs/hr (121g total) 🧂 Electrolytes: ~1340mg sodium/hr

Terrain Analysis

Runnability
58%
Mixed
% of route below 15% gradient
Climb Ratio
141 m/km
Very steep profile
↑ 1,248m ↓ 146m
High Point
2,021.5 m
Alpine zone
Low point: 865.4m — Range: 1,156.1m

Surface & Technicality

Terrain Difficulty Breakdown
Runnable Flat (23%) Easy Grade (16%) Moderate Climb (13%) Steep (29%) Very Steep / Technical (19%)

⛰️ Highly technical route. Power-hiking the steep sections is expected.

Sun Exposure

⛅ Partial Shade 40% exposed · 60% shaded
Route shade profile
Forest/shaded (60%) Open terrain (39%) Above treeline (1%)
South-facing: 24% of route — mostly north-facing, less direct sun

🌤️ Mixed shade and exposure. Sections above 2000m are fully exposed. Lower sections offer some tree cover. Sun protection still recommended.

Current Conditions

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Conditions for June

✅ In season — good conditions expected
Snow Risk
0%
Unlikely
Mud Risk
30%
Moderate
Ice Risk
0%
Unlikely

Snow unlikely at this elevation in June. Trail conditions expected to be clear.

🥾 Muddy sections likely. Waterproof boots recommended.

Best months: May, June, July, August, September, October

Snow Conditions

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Suggested Gear List

Auto-generated based on 8.9 km, 1248m ascent, max altitude 2021.5m, ~4h duration.

Essential 7 items
  • 👟
    Trail running shoes / hiking boots
    Required for any trail
  • 📱
    Phone (charged) + offline map
    Navigation & emergency contact
  • 💧
    2L hydration pack
    No water sources on route
  • 🍫
    Trail mix, bars & sandwich
    Est. 2365 kcal burn
  • 🧴
    Sunscreen SPF 50+
    UV intensifies above 2000m
  • 🧢
    Sun hat / cap
    Exposed alpine terrain
  • 🧥
    Windbreaker / shell jacket
    Summit at 2021.5m — wind chill
Recommended 5 items
  • 🕶️
    Sunglasses (cat 3+)
    Snow & rock glare at altitude
  • 🧤
    Warm mid-layer (fleece)
    Temps drop ~6°C per 1000m
  • 🩹
    Mini first aid kit
    Blister plasters, tape, antiseptic
  • 🥢
    Trekking poles
    48% steep terrain, 1248m+ ascent
  • 🧊
    Microspikes / light crampons
    Snow risk in November, December, January
Nice to have 1 items
  • 🦵
    Gaiters
    Keep snow out of boots

Logistics

This route runs from Sonogno to Efra (8.9 km by trail). You'll need to arrange transport back to your starting point.

Start — Getting There
Sonogno
No transit stops detected nearby.
Finish — Getting Back
Efra
No transit stops detected nearby. Check local timetables.

Nearby Points of Interest

📍 Nearby Places

  • Pontasc km 0.8 · 378m off trail
  • El Mónt del Lüisígn 538m off trail
  • El Mónt del Stéven km 0.1 · 574m off trail
  • I Lovaldítt km 0.4 · 626m off trail
  • Ar Péscia km 0.2 · 720m off trail

Route Details

Network
International Trail Network
Sport
hiking
Start
Sonogno
End
Efra
Start Coordinates
46.35012, 8.78705
OpenStreetMap
View on OSM →

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