Exhibit 23.01


                      Consent of Independent Auditors

We consent to the reference to our firm under the caption "Experts" in the
Registration Statement (Form S-3) and related Prospectus of Questar
Pipeline Company for the registration of $250,000,000 medium-term notes and
to the incorporation by reference therein of our report dated March 6,
2001, with respect to the consolidated financial statements of Questar
Pipeline Company included in its Annual Report (Form 10-K) for the year
ended December 31, 2000, filed with the Securities and Exchange Commission.

                                             /s/  Ernst & Young LLP



Salt Lake City, UT
May 7, 2001