They built a chapel in 1859 near the lake pool at the head of the river , but it was never completed .
In the early 1830s the Jesuits began travelling to the area to convert indigenous tribes to Christianity .
Jesuits built a chapel in 1859 near the lake pool at the head of the river , but it was never completed .
In the early 1830s the Jesuits began travelling to the area to convert indigenous tribes to Christianity .