| has gloss | eng: Left Hand Creek is a tributary of St. Vrain Creek, approximately 28.4 miles (40 km) long, in Boulder County, Colorado in the United States. The creek drains a section of the foothills of the Front Range northwest of Boulder, descending from the mountains in a steep canyon, known as Left Hand Canyon. It issues from Left Hand Park Reservoir along the north flank of Niwot Mountain. It flows through a steep gorge to the east, passing below Ward (which sits roughly at the head of the canyon). It emerges from the foothills north of Boulder and crosses ranchlands the Colorado Piedmont, passing north of Niwot and joining St. Vrain Creek on the south edge of Longmont. |