Lower Whatcom Falls is a 15-foot waterfall on Whatcom Creek in Whatcom County, Washington, in the Puget Lowland region. It lies about 0.4 miles southeast of Bellingham as the crow flies.
At 15 feet it is on the modest side for Washington, where the typical waterfall with a recorded height stands around 82 feet; it ranks 899th of 941. By form it is a cascade, descending over a series of rock steps rather than in a single drop.
The Puget Lowland is a glacially shaped basin of low hills, lakes and wetlands between the Olympics and the Cascades, once covered by Douglas fir and western red cedar and now the most settled part of Washington. Streams here run through terraces of glacial till and outwash, with waterfalls where creeks cut through the deposits. Whatcom Creek carries 5 recorded waterfalls; the biggest of them reaches 20 feet.
Whatcom County holds 348 recorded waterfalls, and several are close by. Pixie Falls, a 15-foot block waterfall, is about 1.8 miles away. Whirlpool Falls, a 10-foot plunge punchbowl waterfall, is about 2.2 miles away. Whatcom Falls, a 20-foot block waterfall, is about 2.4 miles away.
Lower Whatcom Falls is located at 48.7550° N, 122.4817° W. The listing is based on the World Waterfall Database, one of the sources compiled by the U.S. Geological Survey in its inventory of waterfalls and rapids of the conterminous United States. The creek name is confirmed against the federal Geographic Names Information System. The exact position has not yet been verified on aerial imagery, so treat the map pin as approximate. Details on trails, parking and access have not been documented for this waterfall yet.