The Great Alligator
Il fiume del grande caimano (original)
A tourist resort in Africa finds itself at the mercy of a huge man-eating crocodile from a local native legend which the croc is the incarnation of a native god angered by the intrusion of the tourists on its nesting ground. After a new natives are killed and eaten, they naturally blame the tourists and set out to kill them while the survivors try to rally on a boat with the hungry crocodile in the water, and the blood-thirsty natives on land waiting for them.
Starring Barbara Bach, Claudio Cassinelli, Mel Ferrer, Romano Puppo, Fabrizia Castagnoli, Enzo Fisichella, Lory Del Santo, Anny Papa, Bobby Rhodes, Clara Colosimo
Watch "The Great Alligator" on Amazon released in 1979. It's a horror and drama movie, and has a rating of 4.5 out of 10 from Imdb which is fairly low for this kind of movie, and is currently only available for purchase or rent.