HikeMetrics
Global Hiking Index
Hiking Route Dossier

Mount Hallasan

Updated 2026
Technical Class
Level 4: Challenging
Best For
For active travelers who want to conquer South Korea's highest peak. You don't need technical skills, but you need significant stamina for a 9-hour day of stair-climbing. It is an extremely well-organized trail, perfect for those who appreciate infrastructure and safety over raw wilderness.
Not Ideal For
Low physical endurance or beginners
Total Commitment
1 Day · 18km+1,250m Total Ascent
Route Snapshot

This route covers 18km return.It involves around 1,250m of cumulative elevation gain.

The route reaches roughly 1,947m at its highest point. While the altitude is moderate, weather exposure and wind can make conditions feel more demanding than the elevation suggests.

Technically, the Mount Hallasan standard trail is challenging. The primary difficulty is the sustained physical effort required or technical terrain features.

Overview

Distance18km
Elevation+1,250m
Days1

Technical Summary

The guardian of the island. Mount Hallasan is a majestic shield volcano that forms the bulk of Jeju Island.

The Crux

The Crater Rim and the Basalt Staircase. The 'X-Factor' is the sense of geological isolation. Scaling Hallasan feels like climbing a giant crown in the middle of the ocean. The trail design is impeccably Korean—thousands of perfectly placed wooden and basalt stone steps that lead you through a changing landscape of twisted trees and lava fields. Reaching the rim and looking into the perfectly circular crater, where white deer were said to drink, offers a serene, almost atmospheric connection to the island's volcanic origins.

Ideal For
For active travelers who want to conquer South Korea's highest peak. You don't need technical skills, but you need significant stamina for a 9-hour day of stair-climbing. It is an extremely well-organized trail, perfect for those who appreciate infrastructure and safety over raw wilderness.
Risk Level
Moderate technically, but severe weather-dependent endurance.
Why Choose This
Standard safety protocols and localized hazard assessments based on park regulations.

Hazard Assessment

What is the most dangerous section of the Mount Hallasan?
weather and visibility

Jeju's weather is notoriously fickle; thick fog and heavy wind can obscure the trail and the summit views in minutes.

Recommended Mitigation
Check the Hallasan mountain webcam and weather report before starting; carry a windproof shell even in summer; use the trail markers which are reliably placed even in low visibility.View Hazard Classification Scale →
strict checkpoint times

To ensure hikers return before dark, there are strict cut-off times at mid-way shelters (e.g., Jindallaebat). If you arrive late, you will be denied access to the summit.

Recommended Mitigation
Start your hike at the crack of dawn (before 7 AM); maintain a steady pace; check the current seasonal cut-off times on the National Park website before departure.View Hazard Classification Scale →

The Expert Take

Success on this route requires balancing physical stamina with environmental awareness.Local conditions shift rapidly; always verify forecasts with regional authorities before moving to higher ground.

Editorial AnalysisHikeMetrics Research Team

Stage Breakdowns

How long does it take to hike the Mount Hallasan?
3 Stages
Start
Intensity+Scenic Flow

Seongpanak or Gwaneumsa Trailhead

Entering the forest zone. Seongpanak is longer and more gradual; Gwaneumsa is steeper and more scenic.

Target Duration1 hour
Tap to expand stage details
Middle
Scenic Flow

The Forest Ascent

Walking through dense stone-oak forests and reaching the Jindallaebat or Samgakbong shelters.

Target Duration3-4 hours
Tap to expand stage details
Finish
Standard Pace

The Summit Rim (Baengnokdam)

Final push through the alpine zone to reach the crater rim. Descending before the 2 PM often required summit clear-off time.

Target Duration4-5 hours (Descent)
Tap to expand stage details

Route
Geometry

Topographical Data & Reference Points

Key Reference PointsMOUNT-
  • Route Typehiking
  • Highest Point1947m (High Variant)
    1947m
  • Standard Transit Max1850m (Approx)
  • Lowest Pointvalley floor elevation
    700m
  • GPS Location33.3610°N 126.5290°E

Technical Profile

REF ID // MOU-2026

Vertical Ascent Profile

A long, continuous ascent on a well-maintained but physically taxing staircase of basalt stones and wood. It is a sustained endurance test.

Terrain Characteristics

The Mount Hallasan is primarily non-technical (Class 1), with optional technical variants. It is classified as Technical terrain based on cumulative vert and exposure.

The cumulative energy expenditure for Mount Hallasan represents a significant physical commitment. Success requires adequate preparation and moisture management.

Topographical profile correlates with stage-by-stage breakdown. Data referenced from regional park authority sources and topographic surveys.

Technical
Matrix Profile

The HikeMetrics Global Matrix provides an objective, multi-dimensional assessment of technical difficulty, exposure risk, and environmental load.

Expert Verification v1.0
Terrain Type
Alpine Ridge
A
Movement Class
Walking (Class 1)
Class 1
Exposure Level
Serious injury possible
E2
Remoteness Index
Half-day Evacuation
R2
Environmental Load
Wind / Sleet · Cold / Sub-zero
W/C
Risk Summary

Professional evaluation of route mechanics and environmental stress factors. Recommended for participants within specified technical scope.

Calibration Standard

This profile uses the HikeMetrics v1.0 risk matrix, prioritizing environmental stress and movement complexity over simple elevation metrics.

Technical Specs

Access & Logistics
Nearest AirportLocal Transit
Base Duration1 Days
AccommodationVast selection of hotels and guesthouses across Jeju Island. There is no staying on the mountain itself.
Regulations
Land Access PermitREQUIRED

You should book your slot online at the official portal. Slots open on the 1st of the previous month. You will need your passport number.

Seasonality
Operational WindowVariable by altitude
MayJunSepOctNov

Best in spring (Royal Azaleas) and autumn (fall foliage). Winter hikes are spectacular for snow scenery but require crampons/spikes. A reservation via the Hallasan Trail Reservation System is strongly advised for the summit trails. Regulations change; verify with the official park or local authority before departure.

Safety Index
Rescue Access
YES
Cell SignalGood

Compare This Route

Cross-Reference Analysis

Side-by-side metric analysis against comparable global routes.

Explore More In This Sector

Continue exploring routes grouped under this country and region hub.

Discover Additional Routes

Use the global index to compare distance, elevation gain, and route difficulty.

Route Questions

01

Can I hike without a reservation?

No. Reservations for the Seongpanak and Gwaneumsa summit trails should be made online in advance. They are free but limited, and they book up weeks ahead for weekends.

02

Do permit rules stay constant year-round?

Not always. Permit and guide requirements can change by season and region. Verify the latest rules with the official park office or local authority before departure.

03

What is the safest start-time strategy?

Start early and plan to clear exposed sections before midday. This reduces heat, storm, and visibility risk on most mountain routes.

04

How much water capacity is usually needed?

For exposed hiking days, carrying 2-3 liters is common. Increase capacity when refill reliability is low or temperatures are high.

05

Is mobile signal reliable on route?

Coverage is often patchy outside towns and major valleys. Treat phones as secondary tools and carry offline navigation resources.

Dossier Verification & Sync

Mapping Data
OSM / TOPO
Weather Ref
FORECAST / LOCAL
Authority
FORESTRY ADMIN
Anchor Check
GEOMETRY-SYNC

Data points indexed in this dossier are cross-referenced against authoritative land management records and regional mapping. HikeMetrics maintains independent verification protocols for all primary route geometry.

HikeMetrics Dossier
Mount Hallasan