West Branch Briar Creek is a tributary of Briar Creek, in Columbia County, Pennsylvania, in the United States. It is approximately long. The creek flows through North Centre Township and Briar Creek Township and has two tributaries: Cabin Run and Fester Hollow. Its watershed has an area of 12.06 square miles. The discharge of West Branch Briar Creek ranges from 0.67 to 33.1 cubic meters per second. Rocks found in the watershed include shale, sandstone, siltstone, mudstone, and limestone. The Fowlersville Covered Bridge used to cross West Branch Briar Creek. Course West Branch Briar Creek begins in western North Centre Township, near the Hidlay Church. The creek flows east-northeast on fairly level ground. It receives the tributary Cabin Run, which flows south from Summer Hill, after some distance, and continues heading east-northeast. A number of miles later, the creek picks up the tributary Fester Hollow. It then turns northeast and passes near the community of Fowlersville. It then begins flowing parallel to Pennsylvania Route 93 and exits North Centre Township. Upon exiting North Centre Township, the creek enters Briar Creek Township. Shortly afterwards, it reaches its confluence with Briar Creek. Tribtuaries There are two named tributaries to West Branch Briar Creek: Cabin Run and Fester Hollow. Fester Hollow is several times longer than Cabin Run and its watershed is far larger. Cabin Run is long and Fester Hollow is long. Hydrology The discharge of West Branch Briar Creek ranges from 0.67 to 31.1 cubic meters per second. The median discharge is 3.2 cubic meters per second. The water temperature of the creek ranges from to , with a median of . According to the Briar Creek Association for Watershed Solutions, the water temperature is often higher than they consider acceptable. The minimum pH of West Branch Briar Creek is 6.96 and the maximum pH is 8.31. The median pH of the creek is 7.87. The electrical conductivity of the creek's waters ranges from 117 to 281 milli-siemens, with a median of 204 milli-siemens. The concentration of dissolved solids in the creek ranges from 58 to 141 parts per million. The median concentration of dissolved solids in the creek is 102 parts per million. The concentrations of lead and nitrates in West Branch Briar Creek are higher than ideal. In 2012, the Briar Creek Association for Watershed Solutions performed a visual assessment of West Branch Briar Creek, rating it for various