Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 333-181020, No. 333-188950, No. 333-205102, No. 333-208149, No. 333-234417, and No. 333-257095) and Form S-3 (No. 333-234164) of Trilogy Metals Inc. of (i) our report dated February 10, 2022, relating to the consolidated financial statements of Trilogy Metals Inc., and (ii) our report dated February 10, 2022 relating to the financial statements of Ambler Metals LLC, both of which appears in this Form 10-K.

/s/ PricewaterhouseCoopers LLP

Chartered Professional Accountants

Vancouver, Canada

February 10, 2022