GR52 Saint-Dalmas to Menton, 12-18 Sep 2026, all layers
Tracks named by role: ROUTE (always on), PARK CORE BOUNDARY (evening check), SIDE TRIP (by day), VIA FERRATA (day 1). Waypoints: nights, refuges, cols, escapes, water. Route from OpenStreetMap relation 3315112. Map data (c) OpenStreetMap contributors, ODbL.

BUS 90 stop · Saint-Dalmas · to/from Nice and La Colmiane
Transport

CAMPSITE · La Ferme Saint-Bernard · Saint-Dalmas · 199 m off track
Campsite

CAMPSITE · Camping de la ferme · Saint-Dalmas · 571 m off track
Campsite

SHELTER · Gias du Soleil, natural · near Refuge des Merveilles · 93 m off track
Shelter

SHELTER · Gias Cabret rock shelter · near Madone de Fenestre · 155 m off track
Shelter

SHELTER · unnamed · near Sospel · 228 m off track
Shelter

SHELTER · unnamed · near Col du Berceau · 464 m off track

EMERGENCY 112 · no water Pas du Diable → Camp d'Argent, none Sospel → Menton
Info

ESCAPE · Col de Turini road, 1.5 km below Camp d Argent
Escape

ESCAPE · Madone de Fenestre road end (summer shuttle to Saint-Martin-Vesubie)
Escape

ESCAPE · Sospel station, Nice-Tende line
Escape

NIGHT 0 · Fri 11 Sep · HI hostel Le Chalet, check-in by 19:00, breakfast, phone +33 4 22 49 01 06
Night

FALLBACK night 1 · Lac Petit, if day 1 runs late, outside park core
Night

PASS · Col du Barn 2452 m - park boundary
Summit

NIGHT 1 · Sat 12 Sep · Le Boreon: tent by the lake or ranch camping, dinner at the hotel-restaurant
Night

REFUGE · Cougourde 2100 m · open to 19 Sep · not a night on your plan
Lodging

LAKE · Trécolpas · bivouac lake 1 h above Boréon, not on your plan
Campsite

NIGHT 2 · Sun 13 Sep · Madone de Fenestre: NO camping here, book refuge bed or bivouac at Lac de Fenestre 1 h above

NIGHT 2 option B · Lac de Fenestre bivouac, legal, 1 h above Madone

PASS · Pas du Mont Colomb 2548 m - rock step T3
Summit

NIGHT 3 · Mon 14 Sep · Refuge de Nice, tent by Lac de la Fous

PASS · Baisse du Basto 2693 m - high point
Summit

NIGHT 4 · Tue 15 Sep · Refuge des Merveilles, tent on marked area behind refuge ONLY

PASS · Pas du Diable 2436 m - last water for 6 h

PASS · Baisse de Saint-Veran 1836 m - fort

NIGHT 5 · Wed 16 Sep · Camp d'Argent, L'Estive gite, dinner, open to 1 Oct

NIGHT 6 · Thu 17 Sep · Sospel, camping Sainte-Madeleine, shops, station

PASS · Col du Berceau 1090 m - steep loose descent

FINISH · Fri 18 Sep · Menton, train to Nice every 20-30 min
Flag

WATER · spring (untreated) · Refuge des Merveilles
Water

WATER · spring (untreated) · Pas du Diable
Water

WATER · spring (drinking) · Lac Petit · 126 m off track
Water

WATER · tap · Sospel

WATER · tap · Madone de Fenestre

WATER · tap - fontaine · Saint-Dalmas

WATER · tap · Saint-Dalmas

WATER · tap - Water present on 01/09/2023 · Camp d'Argent

WATER · tap · Salèse valley / Erps dairy

WATER · tap · Refuge des Merveilles

WATER · tap · Refuge de Nice

WATER · tap · Refuge de la Cougourde

WATER · tap · Refuge des Merveilles · 64 m off track

WATER · tap · Sospel · 77 m off track

WATER · tap · Sospel · 80 m off track

WATER · tap - fontaine · Saint-Dalmas · 147 m off track

WATER · tap · Sospel · 180 m off track

WATER · tap · Menton · 224 m off track

WATER · tap · Le Boréon · 293 m off track

SKIP · Cime du Gélas / Monte Gelàs 3143 m - AD, rockfall when dry, NOT a September objective
Info

SUMMIT side trip · Mont Bégo 2872 m
SideTrip

SUMMIT side trip · Cime du Diable 2685 m
SideTrip

SUMMIT side trip · Mont Colomb 2816 m
SideTrip

VIA FERRATA start · Baus de la Frema · 6 EUR at the lift office, kit 21 EUR, book 24 h ahead
ViaFerrata

VIA FERRATA top · Baus de la Frema 2246 m

ROUTE 1 of 4 · Days 1-2 · Saint-Dalmas → Col du Barn → Col de Salèse · ALWAYS ON

ROUTE 2 of 4 · Days 2-3 · Le Boréon → Trécolpas → Pas des Ladres · ALWAYS ON

ROUTE 3 of 4 · Days 3-5 · Madone → Refuge de Nice → Merveilles → Authion · ALWAYS ON

ROUTE 4 of 4 · Days 5-7 · Camp d'Argent → Sospel → Menton · ALWAYS ON

PARK CORE BOUNDARY · tick in the evening only · inside = tent 19:00-09:00, 1 h from roads, new spot daily

SIDE TRIP · Day 4 afternoon · Mont Bégo 2872 m from Refuge des Merveilles · easy, +750 m, 3.7 km

SIDE TRIP · Day 5 · Cime du Diable 2685 m from Pas du Diable · steep path, +2 h, 1.2 km

SIDE TRIP · Day 3, spare day only · Mont Colomb 2816 m · scramble, path ends 270 m below top

VIA FERRATA · Day 1 morning only · Baus de la Frema, La Colmiane · D / TD, 4-5 h + 1 h down