Grizzly Bear Falls is a waterfall on Grizzly Bear Creek in Pennington County, South Dakota, in the Middle Rockies region, with a total height of about 10 feet. It lies about 9.5 miles northeast of Custer and roughly 18.9 miles southwest of Rapid City as the crow flies.
At 10 feet it is among the ten tallest of the 8 South Dakota waterfalls with a recorded height, ranking 7th. The water comes down as a cascade, descending over a series of rock steps rather than in a single drop.
The Middle Rockies are high, glaciated mountain ranges with alpine peaks, subalpine fir and spruce forest, lodgepole pine and grassy intermontane valleys. Snowmelt streams cascade down glacial valleys and canyon walls.
There are 2 recorded waterfalls in Pennington County. Remington Falls, a 10-foot cascade waterfall, is about 2.3 miles away. Sylvan Lake Falls, a 150-foot tiered waterfall, is about 5.2 miles away. Thunderhead Falls, a 40-foot tiered waterfall, is about 13.6 miles away.
Grizzly Bear Falls is located at 43.8636° N, 103.4638° 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.