Exhibit 5.8

Alexco Resource Corp.

TO:	Alexco Resource Corp. British Columbia Securities Commission Ontario Securities Commission Alberta Securities Commission Saskatchewan Financial Services Commission Manitoba Securities Commission United States Securities and Exchange Commission Toronto Stock Exchange
Re:	Alexco Resource Corp. (the "Company") Consent of Expert

In connection with the Company's Short Form Base Shelf (Preliminary) Prospectus dated March 25, 2022 and all documents incorporated by reference therein (collectively, the "Prospectus") and the Company's Registration Statement on Form F-10 dated March 25, 2022 and any amendments thereto, including any post-effective amendments (collectively, the "Registration Statement"), I, Alan McOnie, FAusIMM, of the Company:

1. consent to use of my name and the information represented in the Prospectus and Registration Statement having been prepared by or under my supervision; and

2. confirm that I have read the Prospectus and the Registration Statement and have no reason to believe that there are any misrepresentations in the information contained therein that are (a) derived from the Report or that are within my knowledge as a result of the services performed by me in connection with the Report or (b) represented in the Prospectus and the Registration Statement as having been prepared by me or under my supervision or within my knowledge as a result of the services performed by me in connection with such information.

Yours truly,

/s/ Alan McOnie

Alan McOnie, FAusIMM