Sandspring Resources Ltd. is a Canada-based resource exploration company. The Company focuses on the exploration for, and resource expansion of, gold and related minerals in Guyana, South America. The Company operates in the development of its Toroparu Project for the production of gold, copper and silver in Guyana segment. The Company, through its subsidiary ETK, Inc., is engaged in exploring and developing the Toroparu Project (the Upper Puruni Property). The Upper Puruni Property is located within its approximately 242,690.8 acres mineral exploration concession area in the Upper Puruni River Area, Region 7 of northwestern Guyana, South America. The Upper Puruni Property consists of approximately seven small scale claims, over 160 contiguous medium scale prospecting permits (PPMSs) and approximately 20 medium scale mining permits (MPs) that together cover an area of over 184,690 acres, and approximately five contiguous prospecting licenses that cover an area of over 43,470 acres.