Bertha May Falls is a waterfall in Lewis County, Washington, in the Cascades region, with a total height of about 100 feet. It lies about 18.9 miles northeast of Morton and roughly 34.3 miles southeast of South Hill as the crow flies.
At 100 feet it is taller than the typical Washington waterfall of about 82 feet, ranking 398th of 941 with a recorded height. It falls in 3 drops.
The Cascades are a high volcanic range of snow-capped peaks, deep glacial valleys and dense conifer forest of Douglas fir, western hemlock and true firs, with abundant rain and snow on the western slopes. Basalt cliffs and lava flows give the region one of the highest concentrations of waterfalls in the country.
There are 180 recorded waterfalls in Lewis County. Teeley Falls, a 125-foot horsetail waterfall, is under a mile away. Julia Falls, is about 1.7 miles away. Lower Mesatchee Falls, a 25-foot horsetail waterfall, is about 2.1 miles away.
Bertha May Falls is located at 46.7006° N, 121.9348° 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 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.