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Switzerland

Also known as Gemsler, გამსბერგი

Gemsler · გამსბერგი

Elevation
2,385 m
Prominence
1,358 m
Difficulty
5/10
Easy alpine
Best Season
Jul–Sep
Routes
1

Routes

1
3D Preview

Approximate line — not for navigation

An automated check found that parts of this line could not be matched to mapped trails, so it may stray far from the real route. Use it for planning only, with a map and a guidebook.

Why? 8 check notes
  • danger scan: Voralpsee → Gamsberg: straight line 2469 m (limit 200 m)
  • danger scan: Voralpsee → Gamsberg: straight line: 70° over 25 m (> 55°, high-res DEM)
  • danger scan: Voralpsee → Gamsberg: sustained 60° > 40° on a straight line
  • last routed vertex 2469 m from the summit (closed by straight)
  • 71% straight-line fallback
  • 71% approximate geometry
  • low confidence 0.4
  • Voralpsee → Gamsberg: straight (snap_failed; DEM rejected: no path below 40° between the endpoints, 2.5 km)
UIAAIISACT5Sources differ: T5+ (hikr.org reports (2008, 2024)) · PD- (hikr.org (WS-))ScrambleNormal route

Sources differ: T5+ (hikr.org reports (2008, 2024)) · PD- (hikr.org (WS-))

The usual way up the highest peak of the Alvier group: from the Voralpsee above Grabs on alp paths and trace to the foot of the east gully, the 'Doppelgleis' or 'railway track', two parallel rock grooves climbed at grade II, then an exposed grassy east ridge to the summit cairn. Unmarked, rarely busy, about 4 hours up.

Elevation Profile

approximate line
1,0001,5002,0002,5000 km0.511.522.53Gamsberg
Distance
≈ 3.4 km
one way
Ascent
≈ +1,260 m
−93 m lost on the way up
High Point
2,385 m
Time Up
≈ 4h 49m
DIN 33466
Time Down
≈ 3h 16m
DIN 33466 · same way back

Start at the car park by the Kurhaus Voralp (about 1,220 m) above Grabs. Descend to the Voralpsee (1,123 m) and follow the marked path to Alp Unterlänggli (1,649 m). From here there is no marked trail: follow faint paths west via Büelen (about 1,910 m) towards the saddle between the Sichli and the Gamsberg, to the foot of the conspicuous east couloir. The couloir, about 200 m long, looks like a railway track: two deep, parallel rock grooves. Climb it with legs bridged across the grooves; the rock is solid, about grade II, with a few pegs and slings in the upper part. One recommendation is to start in the right-hand (northern) groove, which is less pronounced at the bottom, and switch to the left one about halfway, carefully. A slip in the gully would have serious consequences. The gully exits onto the narrow east ridge, mostly grass, which is very slippery when damp; follow it with concentration to the summit cairn. Gipfelbuch.ch gives about 1,200 m of ascent and 4 hours. Descend the same way, downclimbing the gully with care (some parties prefer the steep grass-and-rock north flank, also graded T5). Do not attempt it after rain: both the gully and the grass ridge need to be dry.

Start

Voralp Kurhaus1,218 m

  • Bus from Buchs SG to Grabs; a bus stop 'Voralp Kurhaus' exists, but check the seasonal timetable
  • Parking at the trailhead

Stages

DayStagekmm ascentm descentTime
1Voralp Kurhaus → Gamsberg3.41,260934h 49m

Waypoints

  1. Parking:
    Voralp Kurhaus1,218 m
  2. Feature:
    Voralpsee1,124 m
  3. Summit:
    Gamsberg2,385 m

Key Passages

  • Doppelgleis east gully (about 200 m, II, bridging between two grooves)
  • Narrow grassy east ridge, slippery when damp

Equipment

0/5 packed
Technical
Safety
Footwear
Clothing
Navigation

Downloads

Route confidence 40%

Overview

The highest point between the Walensee and the Toggenburg (2,385 m) and the culmination of the Alvier group: a steep, rugged limestone block with a 500 m horizontal summit ridge. No marked path reaches the top; every route involves scrambling.

The Gamsberg, known locally as the Gemsler, rises above Grabs in the canton of St. Gallen, between the Voralpsee to the north and the Walensee basin to the south. It is the highest summit of the Alvier chain, south-east of the Churfirsten, and the highest point of the municipality of Grabs. A level summit ridge about 500 m long makes it look broad and massive from north and south, while steep, broken flanks with little vegetation give it a forbidding look.

It is rarely climbed. There is no marked path to the top, and the normal route uses a double gully on the east side, the 'Doppelgleis' or 'Eisenbahngleis', with grade II climbing, followed by a narrow grassy ridge. Other lines go up the north flank, the south flank and two routes from the west, including the harder Goldloch route.

The reward is solitude, chamois and a view straight down to the Walensee and across to the Glarus and Central Alps. Because it stands well above its neighbours, the Gamsberg is one of the more dominant summits in Switzerland.

Climbing Notes

This is a T5 route for experienced alpine hikers who are comfortable scrambling at grade II without a rope, on exposed and partly grassy terrain. It is not a hike: a slip in the gully or on the east ridge could be fatal. Go only in dry conditions, as wet grass on the ridge is 'as slippery as soap'. A helmet is advisable, and a short rope lets a confident leader secure a partner in the gully, where some pegs with slings are in place.

The round trip from the Voralp car park takes about 7 hours. Route-finding above Unterlänggli follows only faint paths, so carry a map or a GPS track. The usual season runs from early summer, once the gully is free of snow, until the first autumn snowfall.


Season

Best Jul–Sep
  1. January: Not advisable
  2. February: Not advisable
  3. March: Not advisable
  4. April: Not advisable
  5. May: Not advisable
  6. June: Possible
  7. July: Best (best window)
  8. August: Best (best window)
  9. September: Best (best window)
  10. October: Good
  11. November: Not advisable
  12. December: Not advisable
Jan
Winter; no practical summer route
Feb
Winter
Mar
Winter
Apr
Snow in the gully
May
Old snow in the gully and on north-facing slopes
Jun
Possible once the gully is snow-free
Jul
Best in dry spells; avoid after rain
Aug
Best in dry spells; thunderstorms
Sep
Often dry and stable
Oct
Feasible until the first snowfall
Nov
Snow and ice make the gully and grass dangerous
Dec
Winter

Access & Permits

Rules
  • No marked trail to the summit; the route above Unterlänggli is unmarked and unmaintained
Getting There

Grabs (Buchs SG)

Zurich (ZRH); St. Gallen–Altenrhein (ACH) is closer but has few flights

  • By car from Grabs up the Maienbergstrasse to the large car park at the Kurhaus Voralp
  • Train to Buchs SG, bus to Grabs; check whether the seasonal bus to Voralp is running

Hazards

  • Exposure
  • Rockfall
  • Weather
Researched from 7 sourcesConfidence69%UnreviewedUpdated 8 Oct 2026
Sources & Caveats
  • merged with Wikidata/OSM names
  • Natural Earth 10m point-in-polygon + 300 m border buffer; Wikidata P17 countries whose border is within 5 km
  • Sources are mainly user reports (hikr.org 2008–2024, gipfelbuch.ch 2013) plus Wikipedia; no SAC or Camptocamp description was available. Hikr authors rate the route T5 to T5+, II.; Monthly ratings are inferred from the reports' advice (dry conditions only, feasible until the first snowfall).; Skeleton prominence 1,358 m (Wikidata, OSM) disagrees with the Kirmse analysis (235 m); a 2024 hikr report also states a prominence of over 1,000 m, so the skeleton value is probably right.; Seasonal bus service to the Kurhaus Voralp was not confirmed.
  • normalizeGrade of the easiest researched route
  • OSM agrees
  • Kirmse analysis gives 235 m (disagrees; OSM prominence agrees with Wikidata) (raw GLO-30 201 m)
  • P4552 chain
  • 29% OSM trail graph, 0% short gaps between OSM fragments, 0% DEM least-cost, 71% straight (approx)
  • elevation from copernicus_glo30, highres