The couple plan to be married on Aug. 14, 2010, at the Twin Falls LDS Temple. A reception that afternoon will be held at the Reinier residence. All friends are invited to attend.
The couple will be honored at an open house in Provo later in August.
River is a graduate of Mountain Home High School. She is currently a student at Brigham Young University.
Derek is a graduate of Timpview High School in Provo, Utah. He served an LDS mission to Hamburg, Germany. Derek also is currently a student at Brigham Young University.