diff --git a/Tools/autotest/locations.txt b/Tools/autotest/locations.txt
index f3efaa727d607..fa9a357044d79 100644
--- a/Tools/autotest/locations.txt
+++ b/Tools/autotest/locations.txt
@@ -74,4 +74,4 @@ Unalga=51.578,-179.0483,42.0,270.0
 Rabi=-16.51273251,179.97642023,7.5,90
 KFC=34.8412920,136.2154873,196.36,338
 KawaguchiLake=35.4712023,138.7450261,965,90
-GrandCanyon=36.011874,-113.810935,1446.0,90
+GrandCanyon=36.146,-113.89,1425.6,90