Via Alpina Red R102

MODERATE (2.4/10)

Lenk → Lauenen

Distance
13.7 km
Ascent
+995 m
Descent
-815 m
Est. Time
5h 08m
Altitude
1,065.2–2,033.5 m
Type
point-to-point

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Via Alpina Red R102 is a 13.7 km point-to-point moderate hiking route in Switzerland, running from Lenk to Lauenen. The route covers 995m of ascent and 815m of descent, with elevations ranging from 1,065m to 2,033m. Allow approximately 5h 08m for the full route.

The route is divided into 8 segments. The toughest stretch is the 4.4 km from Lenk to Mülkerblatte, climbing 512m (allow 1h 44m for this section).

About 67% of the trail is runnable, but the remaining steep sections will push most people into power-hiking mode. The steepest pitches reach 38% gradient.

Budget roughly 2,878 kcal of energy expenditure and 3.1 L of water.

Mid-altitude route up to 2034m. Accessible May–October.

Elevation Profile

1,200m1,400m1,600m1,800m2,000m0 km2 km4 km6 km8 km10 km12 km14 km2,032m1,065m
Flat (<5%) Easy (5–10%) Steep (15–25%) Moderate (10–15%) Very Steep (>25%)

Route Map

Trail Splits

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

SegmentDist↑ Ascent↓ DescentTimeCum. km
📍
Lenk Mülkerblatte
4.4 km+512m-8m1h 44m4.4
⛰️
Mülkerblatte Laaglehore
0.6 km+128m-0m19 min5.0
⛰️
Laaglehore Leiterli
1.8 km+251m-1m46 min6.8
⛰️
Leiterli Tube
1.0 km+78m-0m20 min7.8
⛰️
Tube Trütlisberg
0.5 km+16m-10m8 min8.3
⛰️
Trütlisberg Tossestand
1.4 km+1m-269m30 min9.7
⛰️
Tossestand Höji Schache
4.3 km+8m-526m1h 18m14.0
⛰️
Höji Schache Lauenen
0.0 km+0m-0m0 min14.0
Total13.7 km+995m-815m5h 08m13.7

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
3h 10m
Calories
2,438 kcal
Water Needed
2.6 L
Effort Distance
27.7 km
flat-equivalent
🍫 Recommended: ~45g carbs/hr (143g total) 🧂 Electrolytes: ~1589mg sodium/hr

Terrain Analysis

Runnability
67%
Runnable
% of route below 15% gradient
Climb Ratio
73 m/km
Very steep profile
↑ 995m ↓ 815m
High Point
2,033.5 m
Alpine zone
Low point: 1,065.2m — Range: 968.3m

Surface & Technicality

Terrain Difficulty Breakdown
Runnable Flat (14%) Easy Grade (27%) Moderate Climb (19%) Steep (36%) Very Steep / Technical (4%)

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

Sun Exposure

🌤️ Moderate Exposure 53% exposed · 47% shaded
Route shade profile
Forest/shaded (47%) Open terrain (46%) Above treeline (7%)
South-facing: 35% of route

🌤️ 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
68% north-facing slopes
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 13.7 km, 995m ascent, max altitude 2033.5m, ~5h duration.

Essential 7 items
  • 👟
    Trail running shoes / hiking boots
    Required for any trail
  • 📱
    Phone (charged) + offline map
    Navigation & emergency contact
  • 💧
    3L hydration vest
    No water sources on route
  • 🍫
    Trail mix, bars & sandwich
    Est. 2878 kcal burn
  • 🧴
    Sunscreen SPF 50+
    UV intensifies above 2000m
  • 🧢
    Sun hat / cap
    Exposed alpine terrain
  • 🧥
    Windbreaker / shell jacket
    Summit at 2033.5m — 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
    40% steep terrain, 995m+ 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 Lenk to Lauenen (13.7 km by trail). You'll need to arrange transport back to your starting point.

Start — Getting There
Lenk
No transit stops detected nearby.
Finish — Getting Back
Lauenen
No transit stops detected nearby. Check local timetables.

Nearby Points of Interest

⛰️ Peaks

  • Schatthorn 2.9 km off trail
  • Flöschhore km 1.9 · 2.9 km off trail
  • Laaglehore km 5 · 1.4 km off trail
  • Mülkerblatte km 4.4 · 1.6 km off trail

📍 Nearby Places

  • Gruebi 919m off trail
  • Ey 1.9 km off trail
  • Stoss km 2.7 · 2.1 km off trail
  • Inneri Ey 2.3 km off trail
  • Teufebode km 0.2 · 2.6 km off trail

Route Details

Network
International Trail Network
Sport
hiking
Start
Lenk
End
Lauenen
Start Coordinates
46.45721, 7.44301
OpenStreetMap
View on OSM →

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