EXHIBIT 23.1 INDEPENDENT PUBLIC ACCOUNTANTS' CONSENT As independent public accountants, we hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of Cross Timbers Royalty Trust (the Trust) and Cross Timbers Oil Company (the Company) of our report dated March 8, 2000 included in the Trust's Form 10-K for the year ended December 31, 1999, our report dated March 17, 2000 included in the Company's Form 10-K for the year ended December 31, 1999, and to all references to our firm included in this Registration Statement. ARTHUR ANDERSEN LLP Fort Worth, Texas October 5, 2000