Landing Zone Margo was a U.S. Marine Corps base located northwest of The Rockpile, Quảng Trị Province in central Vietnam.

The base was located on Mutter's Ridge northwest of The Rockpile.

[1] The base was first established by the 3rd Battalion 3rd Marines when it was landed here on 27 July 1968 during Operation Lancaster II.

That afternoon the command post at Margo was hit by over 150 rounds of mortar fire resulting in 21 U.S killed and 135 wounded.

This article incorporates public domain material from websites or documents of the United States Marine Corps.