EXHIBIT 5







                                  June 1, 2007


Tara Minerals Corp.
2162 Acorn Court
Wheaton, IL 60187


This letter will constitute an opinion upon the legality of the sale by certain
selling shareholders of Tara Minerals Corp., a Nevada corporation (the
"Company"), of up to 6,539,200 shares of common stock, all as referred to in the
Registration Statement on Form SB-2 filed by the Company with the Securities and
Exchange Commission.

We have examined the Articles of Incorporation, the Bylaws and the minutes of
the Board of Directors of the Company and the applicable laws of the State of
Nevada, and a copy of the Registration Statement. In our opinion, the Company
was authorized to issue the shares of stock mentioned above and such shares,
when sold, will represent fully paid and non-assessable shares of the Company's
common stock.

Very truly yours,

HART & TRINEN

/s/ William T. Hart