EXHIBIT 23.1 INDEPENDENT AUDITOR'S CONSENT We consent to the incorporation by reference in Registration Statement No. 333-49196 on Form S-8 of American River Holdings of our report dated February 8, 2002 appearing in this Annual Report on Form 10-K of American River Holdings for the year ended December 31, 2001. /s/ Perry-Smith LLP Sacramento, California March 25, 2002 87