A 4km riverside walk connecting BTS Saphan Taksin to the Old City — one of Bangkok's most satisfying urban routes.
BTS Saphan Taksin station leads directly to the Sathorn pier — the start of the walk; the river immediately opens up with Asiatique visible across the water.
Walking south along the riverfront leads to Asiatique — a good evening start to the walk as the lights come on.
Walking north from Sathorn pier: Si Phraya pier (antiques at River City), Tha Tian pier (access to Wat Pho and Grand Palace).
Early morning (7–9 AM) for light, activity, and manageable heat; evening (5–7 PM) for sunset over the temples; avoid midday in hot season.
River City and the piers near Tha Tian both have cafés and rest stops — useful checkpoints for a water break or a longer pause before continuing north.
The express boat runs the same route on the water — walking one direction and taking the boat back cuts the total effort roughly in half while still covering the full stretch.