Sun River Energy (SNRV) 8-K Changes in Registrant's Certifying Accountant

Exhibit 16.1

Telephone (303) 745-4545	2228 South Fraser Street
Fax (303) 369-9384	Unit I
Email larryodonnellcpa@comcast.net	Aurora, Colorado 80014
www.larryodonnellcpa.com

November 5, 2010

SECURITIES AND EXCHANGE COMMISSION
Division of Corporation Finance
100 F Street, N.E., Mail Stop 7010
Washington, D.C. 20549

Re:	Sun River Energy, Inc. (the “Company”)
	Form 8-K Item 4.01 (the “Report”)

Gentlemen:

     We have reviewed the above referenced Report filed by the Company. We do not disagree with the statements made by the Company in the Report and authorize the Company to file a copy of this letter as an exhibit to the Report.

/s/ Larry O’Donnell, CPA, PC