The Pleistocene Piedra Grande is the topographically indistinct area in the center of this December 2019 Planet Labs satellite image monthly mosaic (N is at the top; image is approximately 14 km across). The complex consists of heavily eroded, faulted cones, and has undergone extensive hydrothermal alteration.

Satellite image courtesy of Planet Labs Inc., 2019 (https://www.planet.com/).

Copyrighted image used with permission. All Rights Reserved. Contact photographer for any usage requests.

Piedra Grande