Exhibit 23.1

North Rim Exploration Ltd.

1020-606 Spadina Crescent East

Saskatoon, Saskatchewan S7K 3H1

Canada

June 21, 2013

Prospect Global Resources Inc.

1401 17th Street, Suite 1550

Denver, CO 80202

Attention: Wayne Rich

Dear Wayne,

North Rim Exploration Ltd. hereby consents to being named in the Annual Report on Form 10-K being filed by Prospect Global Resources Inc. on or about June 28, 2013.

Sincerely,

North Rim Exploration Ltd.

/s/ Tabetha Stirrett, P. Geo.

Tabetha Stirrett, P. Geo.

Project Geologist