Start with your fishing days, not a shopping cart.
Write down which days involve river fishing, boat fishing and travel. Then ask your operator for the exact equipment it provides. A jacket or pair of waders already in your closet may solve the problem; the checklist should help you check suitability, not replace everything.
Build a clothing system you can adjust.
For a cool-weather plan, start with a base layer, an insulating layer and a weather shell. Choose their weight against the actual forecast before departure. Keep a dry change available. The interactive list adjusts suggested clothing quantities for your trip length and laundry access; these are packing defaults, not a weather prediction.
Keep wading and boat requirements separate.
Do not assume a river setup belongs on a boat, or that waders are required on every guided trip. Ask about footwear, equipment provision and safe storage. Mark an item as “Guide provides” only after the operator confirms it. Marking it owned also does not replace a fit and suitability check.
Confirm tackle as a complete setup.
The rod, reel, line, leader and lure should work together for the target and technique. This first checklist deliberately leaves technical tackle as a local confirmation task. A short message with those questions is more useful than buying a generic salmon kit and hoping it matches the outing.
Pack for the trip home, too.
Ask about wet-gear storage, drying access, laundry and any fish-processing or baggage arrangements relevant to your trip. Put the equipment you need first in an accessible place. Leave optional purchases until the essential decisions are complete.
Turn the guide into your own checklist.
Choose your dates and duration, then change each item to “Need”, “I own it” or “Guide provides”. Tick items when packed, share the plan with your travel partner and export the text for offline use. Shopping links search for a requirement rather than promising that every result is appropriate.