Waterfalls On Stamps

The 1.50 value stamp (Michel #53) of the March 1945 pictorial set of "Provinz Laibach" (German occupation of Slovenia, WWII) depicts "hell" falls near Borovnica.

Mexico
1st Landscape 1899
Juanacatlán Falls, popularly known as the "Niagara of Mexico",

Mexico 1st Landscapes
1899 Juanacatlán Falls, popularly known as the "Niagara of Mexico"

On May 29, 2019 the USA issued a se-tenant sheet of 12 "Wild and Scenic Rivers" stamps. One of the stamps depicts the Owyhee River, a tributary of the Snake River.

Michael Melford shot the aerial photograph used as the stamp's artwork. Whitewater and waterfalls can be seen on the river as it moves through southern Idaho.

Nicaragua
PHILAKOREA 94
August 16, 1994
A minisheet of 6 stamps, one depicts a waterfall at Hallasan, a shield volcano on Jeju Island of South Korea.

Transkei (South Africa)
Landscapes
September 4, 1979
Magwa Falls and Bawa Falls are located in the Eastern Cape province. Magwa falls is 142 meters high dropping into a narrow canyon. Bawa Falls has a single drop of 103 meters with an average width of 1.5 meter.

Republic of Korea
Mount Jirisan
October 18, 2005
Ikki Waterfall is located on the western slopes of Mount Jirisan, Water pours down the 10 meters high, moss-covered rocky wall and flows into Pokposugol Valley.

Japan
Travel - Hokkaido
September 9, 2011
Hagoromo Waterfall is situated on the western side of Daisetsuzan National Park in the Tenninkyo Gorge. The fall drops some 270 m in multiple steps comprised of sheets of water.

Ukraine
The Beauty and Greatness of Ukraine - Lviv Region
December 19, 2019
Kamianka waterfall is located on the Kamianka river in the National Park Dubyna, Skole Raion, Lviv Oblast of western Ukraine The waterfall has a height of 7 meters.

Republic of Korea
Mount Baekdusan
October 18, 2007
Set of four, one stamps depict Hyongje Falls, one of the waterfalls in the mountain range.

Brazil
UPAEP - Tourism
September 27, 2017
Set of five, one stamp shows a waterfall in the Chapada dos Veadeiros National Park.

Here is a 60 drachma coil stamp (Sc #797a) from Greece showing the Edessa Waterfalls. The stamp is from the 1994 "Department Seats" set of twenty definitive stamps (10 sheet format + 10 coils of the sheet designs) issued on October 5, 1994.

From Wikipedia, "The falls are a natural phenomenon that arose after a strong earthquake that struck the surrounding area in the 14th century. Since then, many changes have taken place in their morphology due to earthquakes of smaller size."

This 1991 small definitive stamp of Ghana depicts Boti falls.

From wikipedia, "Boti falls is a twin waterfall located at Boti in Manya Krobo in the Eastern Region of Ghana. These twin falls are referred to as female and male."

The Myrafälle (Myra Falls) not exactly Niagara Falls but
quite picturesque nevertheless.
https://www.world-of-waterfalls.com...e-myrafalle/

Austria

Scott 975

On May 23, 2000 Canada issued its second self-adhesive, one pane booklet of five different 95c stamps of the theme "Fresh Waters of Canada". One of the stamps (Sc #1855b), shown here, depicts Grand Riviere (first step of the falls of the Great Whale River) in Nunivak, Quebec.

The brown flecks in the stamp's margins (mayflies?) are part of the design.