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.