While the keyword is 'photos', it's important to know that the term 'Kamaveri' is often more closely linked to stories (Kathakal) than to images. Searching for 'tamil kamaveri photos' often leads you to sites that may host a mix of content, including:
Here are some stunning photos of the Kamaveri River and its surroundings, taken in 2021: tamil+kamaveri+photos+2021