Iris Falls, Waterfall in Yellowstone National Park, Wyoming, US.
Iris Falls is a 45-foot (14 m) waterfall on the Bechler River in Yellowstone National Park, Wyoming, dropping over a vertical rock face just upstream from Colonnade Falls. The Bechler River Trail runs to the falls.
The waterfall was named and documented in 1885 by members of the Arnold Hague Geological Survey. This official designation established it as a recognized natural feature within the park's early exploration records.
The name was given in 1885 by members of the Arnold Hague Geological Survey, who chose Iris, the Greek goddess of the rainbow. The link is to the rainbow, not to a messenger role: the name recalls the arc of colour the goddess personified.
The Bechler River Trail provides access to this waterfall, though it requires proper hiking gear and preparation for changing weather. Visitors should expect conditions to vary by season and plan accordingly for their journey.
This waterfall sits just upstream from Colonnade Falls, creating a pair of drops along the Bechler River. The sequence of these two falls shapes how the river flows and looks through this section of the park.
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