Boulder Creek (Colorado)

Boulder Creek
Physical characteristics
Source 
  locationConfluence of North Boulder Creek and Middle Boulder Creek
  coordinates40°00′15″N 105°24′21″W / 40.00417°N 105.40583°W / 40.00417; -105.40583
Mouth 
  location
Confluence with Saint Vrain
  coordinates
40°09′33″N 105°00′35″W / 40.15917°N 105.00972°W / 40.15917; -105.00972
  elevation
4,852 ft (1,479 m)
Basin features
ProgressionSaint VrainSouth PlattePlatte
MissouriMississippi

Boulder Creek is a 31.4-mile-long (50.5 km) creek draining the Rocky Mountains to the west of Boulder, Colorado, as well as the city itself and surrounding plains.