Numbers 33:12

Dophkah : a place where Israel encamped after leaving the desert of Sin
(28° 46´, 33° 24´)

Sin : a wilderness region between Elim and Mt. Sinai (IBD)
(28° 50´, 33° 25´); (28° 50´, 33° 25´); (30° 41´, 34° 29´); (30° 41´, 34° 29´)