Also known as: Upper Nymboida
Deep granite gorges through Nymboi-Binderay NP; rainforest, waterfalls, pools; declared wilderness; Gondwana link

Whether there is a river here on your dates, and what kind of water it is.
Natural / rain-fed (NOT dam-release); level swings widely with rainfall; flood raises to Class V
Rain-dependent (natural flow); best around ~2 m on the Nymboida gauge. Confirm.
Dec-May, sometimes into Jun-Aug depending on winter rain
Temperate; cooler in winter high-flow season. Confirm.
Flash rises after heavy rain; can become dangerous Class V; check the gauge before launch
A river changes grade with its level. These grades describe a normal flow - in flood the same run is harder, and often a different run entirely. Check the gauge before you commit.
Grade III-IV; up to V after heavy rain; trail day-sections Grade 2-3
Whitewater raft; kayak; canoe (guided + private)
Short 1-day (first 9 km, 25 rapids) vs 2-4 day wilderness camping trips
First-timers should be fit; high-paced intro; guided trips for beginners
The Junction Rapid (first big rapid); Pitkin Falls (~12 km); three large rapids Platypus Flat-Cod Hole may need portage
Portages likely on three large rapids Platypus Flat-Cod Hole; strainers, remote gorge
Upper Nymboida (Platypus Flat down); part of the Clarence Canoe & Kayak Trail
Popular but wilderness feel on multiday; remote sections quiet
Guided operators hold NPWS Eco Pass licence; private paddlers - park entry/camping fees may apply. Confirm.
Permits and operators change - confirm before booking.
Put-ins Platypus Flat campground, Nymboida township; take-outs The Junction, Buccarumbi, Jackadgery
Long road shuttles between NP access points; operators provide transport
Riverside camps - Cod Hole, Platypus Flat, Buccarumbi, Nymboida River Campground; bush camping on multiday
Full whitewater kit; remote - minimal mobile coverage. Confirm.
Coffs Harbour, Grafton, Nymboida township
Rapid flood rise; portage mandatory drops; remote self-rescue
Limited road access mid-gorge; self-reliance required on multiday
Guided rafting via Exodus Adventures; multiday via Journey Outdoors in Nature; experienced paddlers self-guide
This profile is desk research, compiled from public sources - not a first-hand river run report. Coordinates are approximate.