Distance: 11.7 km (8.0 DOC hours) - Unmarked route, hard - Hard terrain
Altitude: 936m to 1856m. Gain: 1008m. Loss: 989m . Gradient: 10 deg
Skills: Alpine weather (2/7)

Unmarked route, hard (8/9)
Unmarked route, no clear geographic features to follow

Primary, unmapped (2/5)
Route not on maps, but is principal access to hut or along range / catchment

Unknown (difficulty: 0/5)
Not specified

Hard (difficulty: 5/5)
Thick scrub-bash / continuous river boulders, waterfalls, or gorges

Alpine weather (difficulty: 2/7)
Tramp on open tops, exposed to alpine weather

Unknown (difficulty: 0/6)
Not specified

Unknown (difficulty: 0/7)
Not specified

No description

Note: Described in the reverse direction to your journey

Cross Marks Flat and climb to the Solution Range via a steep scrub section. Once in the tussock, travel is straight forward through to Mt Gow. Harker Col and the unnamed highpoint overlooking the Otoko Lake Flat are easily gained. The descent to the shelf above the upper Otoko Lake requires some scouting and a little scrambling in spots depending on snow cover. Once on the shelf, travel north to the end and make a zig-zagging descent to the lake. It is exposed but with careful zig-zagging, it is not too steep. The TR of the Otoko is followed; there is clear evidence of previous parties close to the river; at times sliding down boulders. There is no longer a lake at' Otoko Lake' as marked on the map, it is gravel flats.