• Georgia — Svaneti (Mestia–Ushguli trek; Ushba 4,710m; Shkhara 5,047m); Kazbegi (Gergeti Trinity Church; Kazbek 5,047m); Tusheti (medieval tower villages; remote eastern Caucasus)
• Russia (North Caucasus) — Elbrus (5,642m — highest in the Caucasus; highest in Europe by most definitions); the Baksan Valley; Dombay; Arkhyz; the central Caucasus spine
• Armenia — Mount Aragats (4,090m — walk-up summit); Debed Canyon (UNESCO monasteries); the Transcaucasian Trail Syunik section; Dilijan NP cloud forest
• Azerbaijan — the Greater Caucasus highland villages of the Gabala and Sheki regions; Shahdag NP; Tufandag (2,629m); less visited but increasingly accessible
• Transcaucasian Trail — an ongoing project building a long-distance hiking route through Georgia and Armenia; the Kazbegi and Svaneti sections are already well-marked and excellent

• Greater Caucasus crystalline core — ancient schist and gneiss with younger granite intrusions; glaciated peaks above 4,000m; the highest terrain between the Alps and the Himalayas
• Svaneti tower landscape — medieval defensive towers built by the Svan people over 800 years; stone-and-mortar structures up to 25m high in deep glacier valleys
• Tusheti’s remote highlands — rolling sub-alpine meadows above the treeline; the most isolated populated mountain landscape in the Caucasus; ancient stone villages accessible only via one of Europe’s most dangerous mountain roads
• Elbrus volcanic massif — a twin-peaked extinct stratovolcano; permanent glaciers on all sides; the southern approaches via the Baksan Valley provide the standard climbing route
• Armenian plateau transition — the Caucasus transitions to the volcanic Armenian Highland; Aragats is an extinct stratovolcano with four distinct summits at the plateau edge

• Mestia–Ushguli Trek (Georgia) — 4–5 days; 2,640m; through four glacier valleys and four medieval Svan tower village communities; Georgia’s most celebrated trek
• Mount Elbrus summit (Russia) — 5–7 days; 5,642m; Europe’s highest peak; cable car to 3,850m then summit push; guide strongly recommended; crampons and ice axe required
• Kazbek summit (Georgia) — 5–7 days; 5,047m; a challenging but largely non-technical snow climb in good conditions; acclimatization route from Gergeti Trinity Church
• Tusheti multi-day (Georgia) — 6–10 days; 3,000m; medieval towers and remote highland communities; accessible only June–October via the notorious Abano Pass road
• Aragats North Summit (Armenia) — 1–2 days; 4,090m; walk-up summit with no technical requirement; extraordinary views of Ararat on clear days
• Debed Canyon multi-day (Armenia) — 3–5 days; TCT section through the Haghpat–Sanahin monastery corridor; one of the Caucasus’s finest cultural routes

• Easy — Gergeti Trinity Church day hike (Georgia), Chalaadi Glacier half-day (Svaneti), Borjomi-Kharagauli lower trails, Aragats South Summit day hike (Armenia)
• Moderate — Mestia–Ushguli Trek, Debed Canyon multi-day, Kazbegi area loops; excellent for experienced hikers with good fitness
• Hard — Kazbek summit (snow climbing; glacier experience), Tusheti remote interior routes, Aragats North Summit in poor conditions
• Technical — Elbrus summit (glacier travel; crampons; ice axe; guide strongly recommended); Ushba (4,710m — one of the Caucasus’s most demanding technical climbs)

The Caucasus countries have varying but generally open access to mountain terrain:

• Georgia: no trekking permits required for any standard route; Russia border zone strictly off-limits; South Ossetia and Abkhazia inaccessible; TCT registration encouraged via transcaucasian-trail.com
• Russia (Elbrus area): Kabardino-Balkaria border zone permit required for non-Russian citizens; obtain in Nalchik or through an Elbrus operator; relatively straightforward but necessary
• Armenia: completely open for independent trekking; no permits; small national park fees (AMD 500–1,000); Azerbaijan border areas in Syunik should be avoided due to ongoing tension
• Azerbaijan: rapidly improving access; Shahdag NP entry fees; some border areas with Armenia sensitive

• Waterproof layering — Caucasus weather changes rapidly; afternoon thunderstorms common June–August across all ranges; the northern Greater Caucasus faces are particularly wet
• Crampons and ice axe — mandatory for Elbrus summit and Kazbek; usually available for hire in Stepantsminda and at Elbrus cable car stations
• Navigation device — Tusheti routes are largely unmarked; GPS with downloaded OSM maps essential; TCT sections increasingly have waymarks but backup navigation always needed
• Cash (Georgian Lari, Armenian Dram, Russian Rubles) — most mountain areas cash-only; withdraw from ATMs in Tbilisi, Yerevan or Stepantsminda
• Bear awareness — Caucasian brown bears present in all forested zones; rare encounters but basic awareness and food storage practices recommended

Emergency: Georgia 112 | Russia 112 | Armenia 911 | Azerbaijan 112

• Georgia: Emergency Management Agency (EMA) coordinates mountain rescue; improving year by year; Stepantsminda and Mestia have reasonable local response
• Russia (Elbrus): well-organized mountain rescue based at the Barrel huts (3,800m); experienced with Elbrus summit emergencies; helicopter-capable
• Satellite communicator strongly recommended for Tusheti, remote Svaneti and Elbrus routes where cellular coverage is absent
• Lightning in the Greater Caucasus — the most common mountain hazard in summer; severe storms build in minutes; be off exposed ridgelines by early afternoon

• Caucasus summer thunderstorms — convective storms build rapidly June–August; the northern Greater Caucasus faces concentrate Atlantic moisture systems; be below exposed terrain by 1pm
• Elbrus-specific weather — the volcano generates its own weather systems; sudden whiteout and violent wind at the summit is the primary cause of accidents; always check the local Elbrus forecast before summit day
• Tusheti road seasonal closure — Abano Pass road open June–October; closes at first significant snowfall; always check current conditions with the Tusheti ranger station
• Armenia–Azerbaijan border tension — the Syunik (Zangezur) corridor has been an active conflict zone; check current conditions before any trekking near this border

• June–September — the main Caucasus hiking window; all routes accessible; June wildflowers; August peak; September golden light and fewer visitors
• June — the finest month for wildflowers; passes just opened; Tusheti road typically opens in June; summer crowds not yet at peak
• September–October — outstanding; stable weather; larch and deciduous color developing; Tusheti closing; Svaneti and Kazbegi excellent into October
• Winter — Elbrus skiing; Kazbegi accessible for ski touring; Tusheti completely inaccessible; Svaneti partly accessible with 4WD

• Tbilisi (TBS) — main Georgia gateway; direct flights from most European capitals, Istanbul, Dubai, Tel Aviv, Yerevan; connections throughout the Caucasus
• Yerevan (EVN) — main Armenia gateway; direct flights from major European capitals, Moscow, Dubai, Paris; well-connected to Tbilisi by bus (6hr) or shared taxi
• Stepantsminda / Kazbegi (Georgia) — 3hr marshrutka from Tbilisi Didube station via the spectacular Georgian Military Highway
• Mestia (Svaneti) — fly from Tbilisi (30 min; small propeller aircraft) or bus/4WD via Zugdidi (6–8hr road)
• Elbrus area (Russia) — currently requires checking current travel advisories due to the Russia–Ukraine conflict context; fly to Mineralnye Vody (MRV) then road to Terskol (3hr)

• Georgia: GCAA (Civil Aviation Agency of Georgia) requires drone registration
• Russia border zone (northern Greater Caucasus) — strictly prohibited; the heavily militarized border area extends well into what appears to be civilian territory
• South Ossetia and Abkhazia — prohibited; disputed territories with unpredictable security
• Armenia: Civil Aviation Committee registration required; Azerbaijan border zones strictly prohibited
• Elbrus (Russia) — Kabardino-Balkaria military zone restrictions apply; check current regulations through your operator