Also known as: Firtina Deresi
Temperate rainforest gorge, 20+ Ottoman arched stone bridges, Zilkale castle, tea plantations, Ayder hot springs, Duygulu Falls

Whether there is a river here on your dates, and what kind of water it is.
Rain-fed Black Sea plus Kackar snowmelt; very responsive to storms
Rain-fed, flashy; can run after heavy rain year-round; snowmelt spring peak
Late March to end of May (snowmelt); autumn rains also raise it
Cold Kackar snow/rain water; drysuit; cold (est)
High flash-flood risk (wettest region of Turkey); landslides on valley roads
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.
Class IV-V (steep creek); II-III (commercial rafting sections)
Kayak (creek) / commercial rafting on milder sections
Commercial rafts on mild sections; expert kayak on the steep upper creek
Advanced kayak for IV-V; commercial rafting suits general visitors
Boulder section approx km 5; dangerous passages km 7-9; steep upper Zilkale reach
HES hydropower diversion weirs/intakes and dewatered reaches; Ottoman stone bridge pinch points; sieves/wood; scout
Zilkale/Camlihemsin to Ardesen
Low on the steep creek; moderate commercial rafting at Camlihemsin
None reported for kayaking (Confirm.)
Permits and operators change - confirm before booking.
Put-in approx 1 km south of Camlihemsin; upper via Senyuva/Zilkale; take-out toward Ardesen; road parallels river
Car/minibus along D010 coast to Camlihemsin-Zilkale valley road; Ayder approx 30-40 min
Camlihemsin, Senyuva/Cinciva, Zilkale guesthouses; Ayder spa resort pensions
Creek kit plus drysuit; mobile coverage patchy in gorge
Camlihemsin, Ardesen, Rize hubs
Flash floods; extensive run-of-river HES development may dewater reaches or add weirs/construction hazards; verify live flow (Confirm.)
Road parallels lower/middle; upper Zilkale gorge more committing; storms cut roads; hospitals Ardesen/Rize
Commercial rafting on mild sections; self-support expert kayak on steep creek
This profile is desk research, compiled from public sources - not a first-hand river run report. Coordinates are approximate.