Log the River is a practical river fishing logbook and angler journal developed from more than 25 years of tracking water stage and flow —the two greatest determining factors for predicting when and how forage will use river structure. By consistently recording stage, flow, seasonal timing, fishing locations, techniques, and observations, anglers can begin identifying patterns that repeat as river conditions change throughout the year. Tracking these variables allows fishermen to recognize trends and search for new opportunities as fish reposition with changing water conditions. River fish ultimately seek the same ecological conditions, but those conditions constantly shift as water levels and current energy change. Success on the river comes from understanding how the dynamic energy of the river interacts with the static structure of the river itself . These concepts are explained further in the companion books The Walleye Forage System , which explains the dynamic component of the system, and Read the River , which explains the static structure of the river and how current energy interacts within the ecology of the system. This fishing logbook and river fishing journal provides a structured way to record trips, recognize repeatable patterns, and build a long-term record of river conditions.