Pendrel, a 33-year-old who competes out of Kamloops, B.C., and is originally from Harvey Station, N.B., took the lead on the first of six laps at Cathkin Braes Country Park and never looked back. She finished in a time of one hour, 39 minutes, 29 seconds.
Batty, from Brooklin, Ont., finished a minute and 10 seconds behind. Bronze medallist Rebecca Henderson of Australia was 12 seconds back of Batty.
Canadian women have now won all three Commonwealth Games mountain bike gold medals since the sport was introduced in 2002. There event was left off the program four years ago in Delhi, India.
Pendrel was the world champion in 2011, and won gold at the 2007 Pan American Games. She finished ninth at the 2012 Olympics.