Cornwallis South Reef

Cornwallis South Reef is a low-tide elevation located in the Spratly Islands that hosts between two and four outposts. Vietnam first took possession of the feature in 1988.

U.S. Board of Geographic Names: Cornwallis South Reef

China: Nanhua Jiao, 南华礁

Philippines: Osmeña Reef

Taiwan: Nanhua Jiao, 南華礁

Vietnam: Đá Núi Le

Occupied by: Vietnam

Legal Status: Low-tide elevation

GPS: 8° 42' 44" N, 114° 11' 1" E

Total area of reclamation: 4.17 acres

Overview Images

Cornwallis Reef Overview

Cornwallis Reef 1

July 28, 2025

January 3, 2022

January 6, 2018

May 20, 2016

Cornwallis Reef 2

July 28, 2025

January 6, 2018

Cornwallis Reef 3

July 28, 2025

January 6, 2018

August 18, 2015

Cornwallis Reef 4

July 28, 2025

January 6, 2018

January 18, 2016

August 18, 2015

Analysis of Outpost

Vietnam Builds Up its Remote Outposts

Vietnam’s Island Building: Double-Standard or Drop in the Bucket?

Washed Away