[1] Located by highway PR-3, Sector Palmer is the closest settlement to El Yunque National Forest.

The sector has a United States Post Office,[2] a community center, stores and various establishments catering to both residents and visitors to the nearby rainforest.

El Portal Rainforest Center, located within the national forest, is currently closed for renovation after being damaged by Hurricane Maria in 2017.

[3] Media related to Palmer, Río Grande, Puerto Rico at Wikimedia Commons

This Río Grande, Puerto Rico location article is a stub.