Cadomin was one of many towns in the Alberta Coal Branch that thrived from the 1920s to the 1950s. During the early 1930s, Cadomin's population peaked at 1,800. Other Coal Branch towns included Mountain Park, Luscar, Mercoal, and further to the east, Robb, Embarras, Coalspur, Coal Valley, Lovett, and Foothills.
Cadomin Quarry, operated by the Lehigh Cement Company (formerly Inland Cement), continues to employ a small number of local residents.
There are extensive trails for Horse back, All terrrain vehicles and dirt biking. Mountain biking is becoming increasingly popular as well.
The scientific and naturalist communities spend a great deal of time studying the extensive wild life including, Big horn sheep. Grizzly bears, Moose, Elk,and all mountain species in abundance.
The fall hunting season provides multiple opportunities