Where does Simon decide to go?

Answer 1

Into the ocean where he will drown, however he walks into the oceans, but backs out at the last second and sleeps on the beach in dripping wet clothes and wakes up with frost bit from the nipping air.

Book Quote:

"The air was 2 fractions of a hair to freezing Simon to amputation."

Which means frostbite.

Answer 2

Simon chose to spend time alone perhaps to avoid being seen during an epileptic episode and went often to his 'secret place' in the jungle.

Answer 3

Into the Jungle

Answer 4

an open place in the jungle.