EX-21 6 a2154862zex-21.htm EXHIBIT 21
QuickLinks -- Click here to rapidly navigate through this document

Exhibit 21


SUBSIDIARIES OF VISTA GOLD CORP.

Name of Subsidiary

  Jurisdiction of Organization

Vista Gold Holdings Inc.(1)   Nevada
  Vista Gold U.S. Inc.(2)   Delaware
  Vista Nevada Corp.(2)   Nevada
  Idaho Gold Resources LLC(2)   Idaho
  Hycroft Resources & Development, Inc.(2)   Nevada
    Hycroft Lewis Mine, Inc.(3)   Nevada
Granges Inc.(1)   British Columbia, Canada
Minera Paredones Amarillos S.A. de C.V.(1)   Mexico
Vista Gold (Antigua) Corp.(1)   Antigua
  Compania Inversora Vista S.A.(4)   Bolivia
    Minera Nueva Vista S.A.(5)   Bolivia
    Compania Exploradora Vistex S.A.(5)   Bolivia
(1)
100% owned by Vista Gold Corp.

(2)
100% owned by Vista Gold Holdings Inc.

(3)
100% owned by Hycroft Resources & Development, Inc.

(4)
100% owned by Vista Gold (Antigua) Corp.

(5)
100% owned by Compania Inversora Vista S.A.



QuickLinks

SUBSIDIARIES OF VISTA GOLD CORP.