The vessel carrying 130 passengers wasn’t licensed to transport people.
A second tourist was taken to a private medical facility.
The crash happened in the northern province of Limpopo.
The March 7 kidnapping was the first mass abduction in Africa's most populous nation since 2021.
It comes after Gambia imposed fines and jail sentences for those who carry out female circumcision.
"I realised I was up to my waist down a hippo's throat."
The boat was carrying around 86 people including women and children.
African elephants dying of Bacterim, likely due to drought, heat, population
There are 10,000 people still missing.
