Camden National (CAC) 10-K 2007 FY Annual report

Exhibit #23 Consent of Independent Registered Public Accounting Firm

Consent of Independent Registered Public Accounting Firm

As the independent registered public accountants of Camden National Corporation, we hereby consent to the incorporation by reference in the registration statements (Nos. 333-108214, 333-106403, 333-68598 and 333-95157) on Form S-8 of our report dated March 17, 2008, with respect to the consolidated balance sheets of Camden National Corporation and subsidiaries as of December 31, 2007 and 2006, and the related consolidated statements of income, changes in shareholders’ equity and cash flows for each of the years in the three-year period ended December 31, 2007 and the effectiveness of the internal control over financial reporting as of December 31, 2007, which reports appear in the December 31, 2007 annual report on Form 10-K of Camden National Corporation.

/s/    Berry, Dunn, McNeil & Parker

Portland, Maine

March 17, 2008