El Yunque National Forest maps
National forest, managed by the USDA Forest Service.
Cartahaven has 4 maps covering El Yunque National Forest: 4 USGS 7.5-minute topo quads. All of them are free. Download one to your phone and the map app shows your GPS position on it with no cell signal, along with your tracks, placemarks and, in the US, who manages the land around you.
Check current conditions, closures and regulations with the USDA Forest Service before you go. Maps are aids, not guarantees.
Where each map covers
Maps

El Yunque, PR — USGS 7.5-minute topo (2024)
USGS Topo Maps (public domain) · Puerto Rico
Public domain

Fajardo, PR — USGS 7.5-minute topo (2024)
USGS Topo Maps (public domain) · Puerto Rico
Public domain

Gurabo, PR — USGS 7.5-minute topo (2024)
USGS Topo Maps (public domain) · Puerto Rico
Public domain

Humacao, PR — USGS 7.5-minute topo (2024)
USGS Topo Maps (public domain) · Puerto Rico
Public domain
USGS quads are listed when part of the sheet falls inside the boundary. Boundary: USDA Forest Service, simplified.