If the adrenaline is what move you towards a destination like Costa Rica, no matter where you go in the country a whole sort of options are waiting for you.
Either one day trips or for the amount of days you whish, the only thing you need is energy the rest leave it up to us.
The best and more astounding rivers for rafting, for beginners or experienced rafters, amazing places for canopy, canyoning, rappelling bungee jumping, hanging bridges and anything else related to adrenaline will have it available.