Brno is not a city most visitors automatically associate with a river. For a long time, the Svratka and Svitava sat at the edges of routes rather than at their centre.
Build the walk around contrast. First cross part of the centre, with its stone streets and intense traffic, then descend to the water and continue at a slower pace. Return by a different route, perhaps through a park or residential neighbourhood. Within a few kilometres, Brno will show you three distinct faces. If you do not want a long walk, choose one short section and cover the rest by public transport. There is no need to trace the entire river. The point is to experience a shift in perspective, not to complete an athletic challenge.
Time beside the water is also an opportunity to notice urban nature. Watch the birds, trees and changing water level, but do not feed animals bread or approach nests. Keep dogs under control and away from picnics or areas where local rules prohibit them. Plants along the bank are not decorations to pick: they stabilise the soil and provide shelter. You can safely collect ordinary litter, but never handle sharp or unfamiliar objects. Small, respectful choices help the riverside become more than an attractive novelty and remain a public space that works over time.
The river shows Brno without grand claims. It offers neither one compulsory photograph nor a single correct way to visit. Walk five kilometres, read two chapters of a book, have a coffee or simply watch the water. That freedom is its strength. After a day filled with architecture, restaurants and events, it creates room for the experiences to settle. On the way back, you may realise that this understated part of the programme was the one you needed most. A city is not only the sum of places you have to see; it is also its ability to offer a moment in which you need do nothing at all.