NATURE OF OPERATIONS	12 Months Ended
Dec. 31, 2020
Disclosure Of Nature Of Business [Abstract]
NATURE OF OPERATIONS [Text Block]	1. NATURE OF OPERATIONS Western Copper and Gold Corporation (together with its subsidiaries, "Western" or the "Company") is an exploration stage company that is directly engaged in exploration and development of the Casino mineral property located in Yukon, Canada (the "Casino Project"). The Company is incorporated in British Columbia, Canada. Its head office is located at 15^th Floor - 1040 West Georgia Street, Vancouver, British Columbia. The Company will need to raise additional funds to complete the development of the Casino Project. While Western has been successful in raising sufficient capital to fund its operations in the past, there can be no assurance that it will be able to do so in the future. COVID-19 In March 2020 the World Health Organization declared coronavirus COVID-19 a global pandemic. The contagious disease outbreak, which has continued to spread, and any related adverse public health developments, has adversely affected workforces, economies and financial markets globally, potentially leading to an economic downturn. It is not possible for the Company to predict the duration or magnitude of the adverse results of the outbreak and its effects on the Company's business or ability to raise funds.

1. NATURE OF OPERATIONS

Western Copper and Gold Corporation (together with its subsidiaries, "Western" or the "Company") is an exploration stage company that is directly engaged in exploration and development of the Casino mineral property located in Yukon, Canada (the "Casino Project").

The Company is incorporated in British Columbia, Canada. Its head office is located at 15^th Floor - 1040 West Georgia Street, Vancouver, British Columbia.

The Company will need to raise additional funds to complete the development of the Casino Project. While Western has been successful in raising sufficient capital to fund its operations in the past, there can be no assurance that it will be able to do so in the future.

COVID-19

In March 2020 the World Health Organization declared coronavirus COVID-19 a global pandemic. The contagious disease outbreak, which has continued to spread, and any related adverse public health developments, has adversely affected workforces, economies and financial markets globally, potentially leading to an economic downturn. It is not possible for the Company to predict the duration or magnitude of the adverse results of the outbreak and its effects on the Company's business or ability to raise funds.