Allalinhorn

Mountain Valais alpine peak popular with climbers and skiers

Allalinhorn above Saas-Fee offers one of the Alps’ most accessible 4,000‑m climbs; guided glacier routes, cable-car access and panoramic views attract climbers and ski-touring parties.

Main image

Allalinhorn is a 4,027-metre peak in the Valais Alps of Switzerland near the resort of Saas-Fee. It is one of the more accessible Alpine four-thousanders and is frequently climbed from the high-elevation Mittelallalin lift station.

The normal route traverses the Allalin Glacier and requires standard glacier travel and crevasse-awareness rather than technical rock climbing, making it popular with guided groups and skiers in spring and early summer. The mountain offers broad panoramic views over the Saas valley and neighboring peaks.

Development of lift access to Mittelallalin and established hut/route infrastructure mean the climb is commonly done as a day ascent from Saas-Fee during the main summer season. Alpine conditions can change rapidly, so weather and glacier conditions must be assessed before an attempt.

The peak sits directly above the Saas-Fee area in the canton of Valais and is part of the broader Mischabel-Alps region of southern Switzerland.

  • Elevation: Summit elevation is 4,027 metres, making it a commonly attempted "4,000er" in the Swiss Alps suitable for well-acclimatized beginners under guided conditions.
  • Access route: The usual approach uses the Saas-Fee lift system to Mittelallalin, reducing the climb to a moderate glacier route from the high station.

What to See #

  • Summit: Summit - Typical routes reach the 4,027-metre summit from the Mittelallalin station via the Allalin Glacier on a standard glacier ascent that gains roughly 570 metres.
  • Mittelallalin (3,456 m): Mittelallalin station and ice pavilion - High-elevation lift station at about 3,456 metres providing access to the standard climbing route and an ice grotto exhibition.
Allalinhorn
Allalinhorn area, Valais, Switzerland
46.0461, 7.8946
Free (mountain). Cable cars/guides/huts have separate fees.

How to Get to Allalinhorn #

Allalinhorn is usually approached from Saas‑Fee in the canton of Valais. Drive or take the train to Visp/Brig and continue by road into the Saastal to Saas‑Fee (driving time from Visp/Brig is typically around 40-60 minutes). From Saas‑Fee take the cable car system (to Felskinn) and then the Metro Alpin funicular to the Mittelallalin area; from the upper station parties set out onto the Fee Glacier for the normal ascent route. Check lift and glacier travel conditions and plan for guided glacier travel if you are not experienced.

Tips for Visiting Allalinhorn #

  • Take the Saas‑Fee to Mittelallalin cable car as the standard access point - the classic Allalinhorn route commonly starts from the Mittelallalin station on the Saas‑Fee side.
  • Start very early (pre-dawn) from the top station to minimize glacier hazards from midday melt and to avoid afternoon storms; the summit route is a glacier crossing and conditions change quickly.
  • If you lack glacier experience, book a local guide or join a guided summit tour; many day-trippers underestimate crevasse risk on the route despite the short technical approach from the cable car.

Best Time to Visit Allalinhorn #

Climb Allalinhorn in the high alpine summer (June-September) when glacier routes are most commonly guided and access is reliable.

High alpine summer (best for guided ascents)
June-September · Summit conditions are cold; expect temperatures at or below freezing near the summit, while valley temps are warmer (~10-20°C)
Most popular time for guided climbs and glacier travel when huts are open and conditions are more stable; crevasse and weather hazards still require proper equipment and guides.
Spring and early summer (ski and mixed conditions)
April-May and sometimes early June · Cold at elevation, often below freezing
Snowpack can allow spring ski touring but increases objective avalanche hazards; route conditions change rapidly.
Winter (technical and hazardous)
November-March · Cold; summit well below freezing
Heavy snow and avalanche risk make climbs technical and suitable only for experienced winter alpinists with appropriate gear.

Weather & Climate near Allalinhorn #

Climate

Allalinhorn's climate is classified as Tundra - Tundra climate with cold summers (peaking in August) and freezing winters (coldest in February). Temperatures range from -16°C to 2°C. Very dry conditions with minimal rainfall.

Best Time to Visit
JuneJulyAugust
Temperature & Rainfall
Temperature Range
27°
Warmest Month
-28°
Coldest Month
Monthly Conditions

January

January is freezing with highs of -11°C and lows of -15°C. Light rainfall, mostly overcast skies, and breezy conditions.

35 Poor

Comfort

-13°
Feels Like Freezing
-13°C
Temperature
-15° -11°
82%
Humidity
Very Humid

Weather

18 mm
Rainfall
8.1 m/s
Wind
Breezy
0.1
UV Index
Low
8.9h daylight

February

February is the coldest month with highs of -12°C and lows of -16°C. Light rainfall, mostly overcast skies, and breezy conditions.

35 Poor

Comfort

-14°
Feels Like Freezing
-14°C
Temperature
-16° -12°
82%
Humidity
Very Humid

Weather

16 mm
Rainfall
7.2 m/s
Wind
Breezy
0.3
UV Index
Low
10.2h daylight

March

March is freezing with highs of -12°C and lows of -16°C. Light rainfall, partly cloudy skies, and breezy conditions.

39 Poor

Comfort

-14°
Feels Like Freezing
-14°C
Temperature
-16° -12°
82%
Humidity
Very Humid

Weather

22 mm
Rainfall
7.6 m/s
Wind
Breezy
0.6
UV Index
Moderate
11.8h daylight

April

April is freezing with highs of -10°C and lows of -15°C. Light rainfall, partly cloudy skies, and breezy conditions.

41 Poor

Comfort

-12°
Feels Like Freezing
-12°C
Temperature
-15° -10°
81%
Humidity
Very Humid

Weather

11 mm
Rainfall
7.0 m/s
Wind
Breezy
1.0
UV Index
High
13.4h daylight

May

May is freezing with highs of -5°C and lows of -10°C. Light rainfall, mostly overcast skies, and breezy conditions.

37 Poor

Comfort

-8°
Feels Like Freezing
-8°C
Temperature
-10° -5°
80%
Humidity
Very Humid

Weather

11 mm
Rainfall
6.2 m/s
Wind
Breezy
1.4
UV Index
High
14.8h daylight

June

June is freezing with highs of -2°C and lows of -6°C. Light rainfall and partly cloudy skies.

47 Poor

Comfort

-4°
Feels Like Freezing
-4°C
Temperature
-6° -2°
78%
Humidity
Very Humid

Weather

13 mm
Rainfall
5.9 m/s
Wind
Light Breeze
1.7
UV Index
Very High
15.6h daylight

July

July is freezing with highs of 1°C and lows of -2°C. Light rainfall and partly cloudy skies.

46 Poor

Comfort

-1°
Feels Like Freezing
-1°C
Temperature
-2°
76%
Humidity
Very Humid

Weather

16 mm
Rainfall
5.9 m/s
Wind
Light Breeze
1.8
UV Index
Very High
15.2h daylight

August

August is cold with highs of 2°C and lows of -1°C. Light rainfall and partly cloudy skies.

46 Poor

Comfort

Feels Like Cold
C
Temperature
-1°
78%
Humidity
Very Humid

Weather

19 mm
Rainfall
5.1 m/s
Wind
Light Breeze
1.5
UV Index
High
14.0h daylight

September

September is freezing with highs of -1°C and lows of -4°C. Light rainfall and partly cloudy skies.

45 Poor

Comfort

-3°
Feels Like Freezing
-3°C
Temperature
-4° -1°
79%
Humidity
Very Humid

Weather

16 mm
Rainfall
5.8 m/s
Wind
Light Breeze
1.0
UV Index
Moderate
12.4h daylight

October

October is freezing with highs of -4°C and lows of -7°C. The driest month with just 8 mm, partly cloudy skies, and breezy conditions.

45 Poor

Comfort

-6°
Feels Like Freezing
-6°C
Temperature
-7° -4°
82%
Humidity
Very Humid

Weather

8 mm
Rainfall
6.4 m/s
Wind
Breezy
0.5
UV Index
Moderate
10.7h daylight

November

November is freezing with highs of -8°C and lows of -12°C. Light rainfall, mostly overcast skies, and breezy conditions.

37 Poor

Comfort

-10°
Feels Like Freezing
-10°C
Temperature
-12° -8°
84%
Humidity
Very Humid

Weather

13 mm
Rainfall
7.3 m/s
Wind
Breezy
0.2
UV Index
Low
9.3h daylight

December

December is freezing with highs of -9°C and lows of -14°C. Light rainfall, mostly overcast skies, and breezy conditions.

37 Poor

Comfort

-12°
Feels Like Freezing
-12°C
Temperature
-14° -9°
80%
Humidity
Very Humid

Weather

10 mm
Rainfall
7.9 m/s
Wind
Breezy
0.1
UV Index
Low
8.5h daylight

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