Santorini & Cyclades
Volcanic caldera rim hikes & Aegean cliffs
Expedition Overview
Far from just a resort island, Santorini was shaped by one of the largest volcanic eruptions in recorded history. Hike the spectacular 10km Caldera trail along sheer cliff edges between Fira and Oia, scramble up the medieval fortress of Skaros Rock, and sail into the active volcanic crater.
Weather Windows & Mountain Conditions
Verified by certified IFMGA / UIMLA mountain guides
April to June & September to November
Volcanic Pumice, Cliffside Ridges, Cobblestone Footpaths
Key Waypoints & Summits
Fira to Oia Caldera Cliff Hike
10 kilometers of jaw-dropping clifftop Aegean vistas.
Skaros Rock Fortress Scramble
Medieval ruins perched precariously over the crater basin.
Nea Kameni Active Volcano Walk
Hike across steaming volcanic vents in the center of the bay.
Mandatory Alpine & Trail Gear
All team members must carry certified gear. Technical hardware can be rented via ApexTrek.
Active Expeditions in Santorini & Cyclades
Lead by UIAGM/IFMGA certified guides with full safety satellite backup
Santorini Caldera Cliff Walk & Volcano Sail
Trekker Field Reports & Logbook
Zoe Kastanides
March 2026"Walking the cliff path from Fira to Oia in the late afternoon with our ApexTrek guide was magical. Sunset in Oia without the crowds!"
Includes harness, crampons, ice axe, alpine helmet, and emergency locator beacon.