Distance: 2.9 km (2.0 DOC hours) - Marked route - Moderate terrain
Altitude: 613m to 977m. Gain: 466m. Loss: 167m . Gradient: 13 deg (Moderate-hard)
Skills: - Occasional rivers (3/6)

Marked route (6/9)
Uncut route, with markers normally within sight

Primary, mapped (1/5)
Formal route, on maps, principal access to hut or along range / catchment

Moderate-hard (difficulty: 4/5)
Continuous moderate climbs

Moderate (difficulty: 3/5)
Low scrub in open or bush / river rocks

Unknown (difficulty: 0/7)
Not specified

Occasional rivers (difficulty: 3/6)
Occasional rivers - impassible after heavy rain

Unknown (difficulty: 0/7)
Not specified

No description

Note: Described in the reverse direction to your journey

Noting that this GPX route actually takes you through the DOC trapping track as it was very cold, and we didn't want to do river crossings.
Even though the sign says the track is on the other side of the river, it seems that the track isn't really formed and is mostly just river crossings.