September 15, 2005 Mr. Michael L. Carroll Chief Financial Officer Cumberland Resources Ltd. 950-505 Burrard Street Vancouver, B.C. V7X 1M4 Canada 	Re:	Cumberland Resources Ltd. 		Form 20-F for Fiscal Year Ended December 31, 2004 Filed June 30, 2005 		File No. 1-31969 Dear Mr. Carroll: We have reviewed your filing and have the following comments. We have limited our review of your filing to those issues we have addressed in our comments. Please provide a written response to our comments. Please be as detailed as necessary in your explanation. In some of our comments, we may ask you to provide us with information so we may better understand your disclosure. After reviewing this information, we may raise additional comments. 	Please understand that the purpose of our review process is to assist you in your compliance with the applicable disclosure requirements and to enhance the overall disclosure in your filing. We look forward to working with you in these respects. We welcome any questions you may have about our comments or any other aspect of our review. Feel free to call us at the telephone numbers listed at the end of this letter. Form 20-F for the Fiscal Year Ended December 31, 2004 Engineering Comments General 1. Insert a small-scale map showing the location and access to the property. Note that SEC`s EDGAR program now accepts digital maps, so please include these maps in any future amendments that are uploaded to EDGAR. It is relatively easy to include automatic links at the appropriate locations within the document to GIF or JPEG files, which will allow the figures and/or diagrams to appear in the right location when the document is viewed on the Internet. For more information, please consult the EDGAR manual, and if addition assistance is required, please call Filer Support at 202-942-8900. Otherwise, provide the map to the staff for review. General Development of the Business of the Company, Page 13 2. Please correct the weighted average grade for the measured and indicated resource estimate found in the fifth paragraph. 3. The cutoff grade is a critical component used to evaluate the potential of the mineral properties. Disclose the operating costs and recovery parameters used to determine the cutoff grade estimate. Show that this calculation demonstrates the cutoff grade or tenor used to define a mineral resource has reasonable prospects for economic extraction. In establishing the cut-off grade, it must realistically reflect the location, deposit scale, continuity, assumed mining method, metallurgical processes, costs, and reasonable metal prices. Closing Comments Please respond to these comments within 10 business days or tell us when you will provide us with a response. Please furnish a letter that keys your responses to our comments and provides any requested information. Detailed letters greatly facilitate our review. Please understand that we may have additional comments after reviewing your responses to our comments. 	 We urge all persons who are responsible for the accuracy and adequacy of the disclosure in the filing to be certain that the filing includes all information required under the Securities Exchange Act of 1934 and that they have provided all information investors require for an informed investment decision. Since the company and its management are in possession of all facts relating to a company`s disclosure, they are responsible for the accuracy and adequacy of the disclosures they have made. 	In connection with responding to our comments, please provide, in writing, a statement from the company acknowledging that: * the company is responsible for the adequacy and accuracy of the disclosure in the filing; * staff comments or changes to disclosure in response to staff comments do not foreclose the Commission from taking any action with respect to the filing; and * the company may not assert staff comments as a defense in any proceeding initiated by the Commission or any person under the federal securities laws of the United States. In addition, please be advised that the Division of Enforcement has access to all information you provide to the staff of the Division of Corporation Finance in our review of your filing or in response to our comments on your filing. You may contact George K. Schuler, Mining Engineer, at (202) 551-3718 with questions about engineering comments. Please contact me at (202) 551-3740 with any other questions. 							Sincerely, 							H. Roger Schwall 							Assistant Director ?? ?? ?? ?? Mr. Michael L. Carroll Cumberland Resources Ltd. September 15, 2005 page 1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549-7010 DIVISION OF CORPORATION FINANCE MAIL STOP 7010