Frontier Lithium Inc., formerly Houston Lake Mining Inc., is a Canada-based mining exploration company. The Company is engaged in the acquisition, exploration and development of hard rock, high grade rare metal resource properties. It focuses on elements, including lithium, tantalum, rubidium and cesium by exploring for lithium/cesium/tantalum classified pegmatites. It is exploring its owned and optioned PAK Lithium Project containing the Pakeagama Lake pegmatite in northwestern Ontario, Canada. The PAK Lithium Project is located approximately 160 kilometers north of Red Lake in northwestern Ontario. The PAK Lithium Project consists of over six owned and/or optioned properties. The PAK Lithium Project includes approximately 420 units for over 6,670 hectares. The Pakeagama pegmatite contains rare metals and is located on the Pakeagama Lake Property. It also holds interest in Tib Lake PGM Property, which covers an area of over 2,500 hectares and is located in northwestern Ontario.