A walking journal becomes easier to keep when each outing begins with a manageable question. What changes after the bend? Which part of the route feels most open? Where does the sound of traffic fade from attention?
Pick a familiar, suitable route and give the question a single page. There is no need to turn a local walk into an expedition. A small scope leaves room to notice details and to return home with a clear memory.
Pause at one or two established stopping points and write a sentence before moving on. Brief notes made during the walk can preserve impressions that become less distinct later. A rough sketch may be enough.
End with a response to the original question, including anything still unresolved. The next walk can follow that thread or begin with something entirely different. Curiosity provides continuity without making a quiet outing feel like an assignment.