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Global Hiking Index
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Wilderness CoastWalk

DATA_INDEXED_2026
Distance

100KM

Gain

0.8kM

Duration

5–7d

Strain
LVL 4
AI Insight: High technical grade. Proper safety gear and exposure experience required.

The Wilderness Coast Walk is a remote, point-to-point coastal trek of roughly 100 km, linking the Merrica River trailhead in South East NSW (Nadgee Nature Reserve) to Mallacoota Inlet in Gippsland, Victoria (Croajingolong National Park). The route traverses expansive sand dunes, sandstone headlands, and coastal heathlands along the Tasman Sea, with optional extensions to Green Cape. Navigation relies on tidal windows and topographic cues, as much of the track is unmarked. The walk passes through critical habitats for species such as the White-bellied Sea Eagle. Permits are required from NSW National Parks & Wildlife Service and Parks Victoria.

Mission Directive / X-Factor

Maritime Remote Isolation. The route transits one of the few remaining coastal segments in South Eastern Australia devoid of road infrastructure. The 'X-Factor' is the high-energy coastal interface with the Tasman Sea, where the absence of developed trails requires hikers to manage tactical movements around tidal cycles and across uncompacted sand and ancient rock platforms for the entire duration of the transit.

Hazard Assessment

tidal entrapment and surgePRIORITY 1

Critical segments require movement along narrow littoral zones and rock platforms that are inundated during high-tide cycles.

MITIGATION: Consult current tidal data for the nearest meteorological station. Plan headland transits to coincide with low-tide windows. Avoid crossings during significant coastal swell warnings.

hydrological scarcityPRIORITY 1

Many surface water sources along the coast are subject to salt-water intrusion (brackish) or complete seasonal drying.

MITIGATION: Maintain a minimum 4-liter reserve capacity. Identify and verify 'soak' or upstream freshwater points prior to departure. Utilize water desalinization or treatment if necessary; filtration alone does not remove salinity.

isolated terrain navigationPRIORITY 1

Track visibility is often minimal or non-existent in Nadgee and western Croajingolong segments.

MITIGATION: Utilize high-resolution topographic maps and satellite-based navigation. Ensure personnel have proficiency in route-finding through coastal heath and across shorelines.

Critical Loadout

Full autonomous camping and thermal system
Current Bureau of Meteorology tidal data
Satellite-based communication device (PLB/InReach)
High-index UV protection and wind-resistant shell
Water treatment and high-capacity storage system
Coastal-specific gaiters (sand intrusion protection)
Target Base Weight
< 10 KGEXCL. CONSUMABLES

Water Logistics

SOURCE AVAILABILITYHIGH / FREQUENT
FILTRATION PROTOCOLMANDATORY (<2000M)

HIKING
PATHWAY

nsw-victoria-border // hiking

1
Stage 1

Northern Nadgee Sector

Commencement at Merrica River (NSW). Transit across the Nadgee moors to the coastal interface at Little Merrica.

2
Stage 2-3

Interstate Interface

Traversing the shoreline of the Nadgee Nature Reserve. Reaching the NSW/Victoria border marker via exposed beach and headland transit.

3
Stage 4-5

Southern Croajingolong Reach

Following the Victorian coastline toward the Mallacoota Inlet. Conclusion involves a pre-arranged boat transfer across the inlet.

MISSION_START (ALPHA)WAYPOINT_DELTACORE_VILLAGE_SYNCSEGMENT_DETOUR_XTERMINAL_REF_Z
Topographical Ref / Area NSW-VAUTO-GEN SYNC: -37.338N 149.882E
Mission Log: Stage-by-Stage Technical MetricsREF: WILDERNESS-COAST-EDEN-MALLACOOTA-AUSTRALIA // DAT_TAB_01
StepSector / WaypointDist.Gain (↑m)DurationAssessment
1
Northern Nadgee Sector
Commencement at Merrica River (NSW). Tra...
1 Day---1 DayStandard Segment
2
Interstate Interface
Traversing the shoreline of the Nadgee N...
2 Days---2 DaysStandard Segment
3
Southern Croajingolong Reach
Following the Victorian coastline toward...
2 Days---2 DaysStandard Segment

Technical Specifications

DOC_REF: GOLDEN_HIKING_AU_004
01 / LOG
Refuge Capacity

Restricted to designated wild camping nodes. No structural facilities or potable water sources are provided along the corridor.

02 / REG
Regulatory
  • Permit REQUIRED
  • Authority Parks Victoria and NSW National Parks & Wildlife Service

Separate booking systems are required for the NSW (Nadgee) and Victorian (Croajingolong) components, managed by NSW National Parks & Wildlife Service and Parks Victoria respectively. Daily hiker quotas are strictly enforced.

03 / CLI
Climatology
  • OptimalMar, Apr, May, Sep, Oct, Nov

The optimal windows are Autumn and Spring. Summer months present extreme heat risks and potential for bushfire activity, which may result in park closures.

04 / COM
Emergency / Comms
  • Rescue (EU) 112 ACTIVE
  • Signal Zero
SAT-LINK STABLE

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Wilderness Coast Walk