Recovery here is urban and unhurried: shade, river distance, a market lunch, or sauna time works better than a resort-style spa day.
Jardin Public is the simplest pause, especially from the Golden Triangle or Chartrons: mature shade, open lawns, water, and enough local use to avoid feeling ornamental. The left-bank quays suit a long walk or cycle, but the better decompression often comes after crossing to Bastide. Parc aux Angéliques gives distance from the formal facade and a greener edge along the Garonne.
In heat, plan recovery before late afternoon rather than walking the exposed stone center continuously. A slow lunch around Chartrons or the Capucins market can function as part of the reset. A men-only sauna adds an option when relaxation and adult social contact should overlap. Bordeaux is not a thermal or beach destination; its strength is the ease with which a cultural morning can dissolve into shaded, unscheduled time.