They hurried to the waterfall but the water had not reached it yet.

After waiting for two hours the couple were rewarded with the extraordinary sight of the red water gushing over the rocks, something never seen to that extent by locals before.
The phenomenom was caused by the high levels of rain washing a red coloured sediment called argolite from the rocks and into the water.
Waterton Lakes, where the falls are located, has some of the oldest sedimentary rock in the Canadian Rockies, with stone dated from 1,500 million years ago.
Rochelle said: 'Earlier in the day there was a very heavy rain fall, which isn't uncommon, but the conditions must have been just right to bring down that much sediment.