Also known as: Chamonix-Zermatt
Mont Blanc to the Matterhorn; 4,000 m peaks, a Lac Blanc opener, Val d'Arolla, Lac Bleu, the Europaweg and Charles Kuonen bridge, arrival under the Matterhorn in Zermatt

The line through Western Alps (FR/CH), France - waypoints, elevation and the day-by-day shape of the walk.
Many skip the flat start by bus to Col de Balme
Valley village; shared with the TMB
recommendedVia Col de Balme (2,191 m); enters Switzerland
recommended · mid-Jun to mid-SepVia Fenetre d'Arpette (2,665 m, scramble) or Bovine
recommendedBus/lift bail-out point
recommendedHighest sleep; via Col Termin / Louvie
required · mid-Jun to mid-SepVia Col de Prafleuri (2,965 m) and Pas de Chevres ladders; first Matterhorn view
recommendedVia Col de Torrent (2,916 m) and Lac Bleu
recommendedVia Forcletta (2,874 m)
recommended · mid-Jun to mid-SepVia Augstbordpass (2,894 m); rail to bail out
recommendedEuropaweg + 494 m Charles Kuonen bridge; car-free, under the Matterhorn
Mid-July to mid-September (most reliable across the high passes); snow can linger into early July
High-pass storms, snow and exposure; two+ days over 1,500 m ascent; Europaweg has rockfall sections
Wildflower meadows (Jul); the Matterhorn first appears near Arolla; autumn colour (Sep); ibex/marmot
High passes clear and huts open ~mid-June to mid-September; earliest passes snowbound into July. Confirm hut dates before booking.
High alpine paths, passes, glacial valleys, forest, ladders, suspension bridge, village lanes
Non-glaciated but 11 passes, steep rocky sections, some scrambling (Fenetre d'Arpette), fixed ladders/chains (Pas de Chevres) and the exposed Europaweg with the 494 m Charles Kuonen suspension bridge
Swiss/French waymarking, well-marked but some route-finding on high passes; carry map/GPS; snow lingers on passes early season
Experienced multi-day alpine walkers only; not for beginners, kids or non-hikers; not wheelchair; can be shortened via transport for mixed ambitions
Ibex, chamois, marmots, alpine choughs; golden eagle (probability)
Alpine meadow, larch, alpenrose
Far quieter than the TMB; tougher and less trafficked
9+ variants and valley/bus alternatives on hard passes; join or leave at Champex, Verbier, Arolla, Zinal, Gruben, St Niklaus; skip the flat Chamonix-Argentiere start by bus to Col de Balme
Start Chamonix (rail/bus from Geneva ~1 h); finish Zermatt (car-free; rail via Visp/Tasch). Point-to-point - plan the one-way logistics.
One-way route; use Swiss/French trains and buses to return or to skip/bail stages; Zermatt is car-free (park at Tasch)
Mix of SAC/mountain huts, cabanes and village hotels; most huts open ~mid-June to mid-September; book 3-6 months ahead for peak; half-board standard (limited luggage transfer to high huts). Confirm.
Multi-day alpine kit, poles, layers, map/GPS; refill at huts/villages; patchy coverage on passes; CHF/EUR
Huts and village stops with meals/dorms; larger villages (Champex, Verbier, Arolla, Zinal, Zermatt) have shops/ATMs; some long high stretches without services
Not required in summer; self-guided is most common; guided small-group and self-guided operators available
No permit; pay hut/hotel half-board; wild camping restricted in Switzerland. Peak July-August beds fill 3-6 months ahead. Confirm before booking.
Permits and operators change - confirm before booking.
Steep exposed passes, ladders, Europaweg rockfall, early-season snow; strong multi-day fitness essential
Valley/village bailouts by Swiss rail/bus at Champex, Verbier, Arolla, Zinal, Gruben, St Niklaus; rescue via REGA 1414 (CH), 112; well-served but remoter than the TMB
This profile is desk research, compiled from public sources - not a first-hand trail report. Coordinates are approximate.