This equestrian tradition's roots are from the early 19th century, when horses were introduced to Hawaii and aliʻi women dressed up to ride for formal occasions.
It declined after the overthrow of the Kingdom of Hawaii, but was revitalized in the early 20th century with the establishment of formal riding organizations called Pa'u Riders.
Kamehameha disliked the creatures, partially on account of the amount of food they required, so western sailors began riding them along the beaches to demonstrate their capabilities.
English writer Isabella Bird visited Hawaii in 1873 and noted women riding astride, a notable difference from European custom.
[1] In 1917 Jack London wrote in his work The Cruise of the Snark: "Then there were the pa-u riders, thirty or forty of them, Hawaiian women all, superb horsewomen dressed gorgeously in the old, native riding costume, and dashing about in twos and threes and groups.