This track was identified and mapped via high-resolution satellite imagery.
Hallasan Traverse: Seongpanak to Gwaneumsa
A traverse of Hallasan, South Korea's highest mountain, over the summit crater lake of Baengnokdam. The Seongpanak trail climbs gently through forest past the side trail to Sara Oreum, reaches the summit at about 1,950 m, then the Gwaneumsa trail descends steeply past the rock peak of Samgakbong and the Tamna valley. Hallasan is part of Jeju Volcanic Island and Lava Tubes, a UNESCO World Heritage Site.
Trail Map
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Trail Profile
General Instructions
About 18 km one way with roughly 1,150 m of climbing. Start early from Seongpanak: you must pass the Jindallaebat shelter before the morning cutoff to continue to the summit. The Gwaneumsa descent is steep with many steps. Arrange a bus or taxi back from Gwaneumsa. Carry crampons in winter.
Weather check
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33.3849, 126.6193
Slide to preview conditions across the entire route • Point: 33.3849, 126.6193 @ 774m
Quick Stats
Highlights
- Look into the crater lake of Baengnokdam from the summit
- Detour to Sara Oreum, a small crater lake on the Seongpanak side
- See the cliffs of Samgakbong and the suspension bridge in the Tamna valley
- Visit in winter for snow on the volcanic slopes
Field Radio Protocol
VHF-UHF Communication
Propagation Telemetry
Ridge Line
92%Gorge Floor
18%Sector Relay: Sector Alpha Relay• 12-18 KM Range
Regulatory Compliance
VHF/UHF frequencies are for monitoring and emergency coordination only. Transmitting on these bands may require an Amateur Radio License or regional government permits. Check local telecommunications laws before operation.
Technical Analysis
Total Ascent
+1130 m
Total Descent
-1318 m
Ruggedness Index
Terrain Roughness Index
Vertical displacement per km. Typical range: 0 (Smooth) to 100+ (Extreme Mountain).
135.5
Tortuosity Index
Route Curviness Index
Ratio of actual path to straight line. Typical range: 1.0 (Direct) to 3.0+ (Switchbacks).
2.39
Gradient Distribution
Surface & Hydrology
Surface Spectrum Analysis
Includes only technical water fords where the vehicle actively enters a stream or riverbed. Permanent bridges are excluded from this count.
Difficulty Analysis
Difficulty is determined by a technical multi-vector analysis of elevation profile, surface quality, and topographic intensity.
Bounding Box (WGS84)
Point Spacing: 16.5 m • Engine: TrailX Precision GPX ANALYTICS v1.0.0
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Plan this trip
Before you go: Hallasan Traverse: Seongpanak to Gwaneumsa
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