By coming from Nicoya, you cross Santa Cruz (always straight) and at the exit after traffic lights (on your left the Maxi Pali store and on your right the gas station) you cross a bridge and immediately you turn left direction Tamarindo.
20km after Santa Cruz, you arrive at Rio Santo, to take the portal to the right, marked RIO SANTO.

By coming from Liberia, to take direction Sant Cruz but to turn right to Belen direction Tamarindo.

To the left to Huacas, then Villaréal, and 2 km to the left the access to RIO SANTO.