Palmar Norte is located at the northern point of Costanera Sur. Rio Grande de Terraba separates Palmar Norte from Palmar Sur. A steel bridge connects the two towns with each other. The Rio Grande de Terraba is the longest river in Costa Rica, it is 196 kilometers long.
A big part of the population is of Chinese origin, the amount of Chinese restaurants in town is reflective of this ethnic influence.
Many pre-Columbian stone spheres where discovered in Palmar Norte and the surrounding area. One of the, manmade, stone spheres can be seen on the village square.
The Spanish Conquerors thought that gold was hidden in the stone spheres and destroyed some of them. When they realized that they were made out of pure granite they lost interest in them. Many stone spheres with a diameter from a few centimeters up to almost 3 meters have been discovered. The heaviest amongst them weighs 25 tons. They are made out of volcanic stone that seems to come from the mountains north of Palmar Norte. There are many theories about their significance and how they were made, but it still remains an unsolved mystery.
Some of the stone spheres were found in clusters, but it was not possible to draw a conclusion from their arrangement.
The spheres that were found on the Isla de Canas are another mystery. The stone that they are made of does not exist on the island. They must have been brought there.
It is very probable that they had some religious significance, but maybe they just said something about the social status of their owner.
It seems like they were rounded with the power of water. There are several waterfalls in the surrounding area of Palmar Norte that could have been used for this.
With the right form it is possible rotate the stones around themselves and carve them perfectly round.