Exhibit 23(c)

CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent public accountants, we hereby consent to the
incorporation of our report dated February 17, 1995, on our
audits of North Bay Bancorp's consolidated financial statements
for the years ended December 31, 1994 and 1993, included (or
incorporated by reference) in Westamerica Bancorporation's 10-K
for the year ended December 31, 1995 and to all references to our
Firm included in this Form 10-K. It should be noted that we have
performed no audit procedures subsequent to February 17, 1995,
the date of our report. Furthermore, we have not audited any
financial statements of North Bay Bancorp as of any date or for
any period subsequent to December 31, 1994.


/s/ Arthur Andersen LLP
    -------------------
    Arthur Andersen LLP

    San Francisco, California
    March 22, 1996