From San Jose take the bus on the “Atlantico Norte” bus terminal (7 avenue, 12 street). There are 3 direct buses per day; at 6:15 am, 8:40 am and 11:30 am.
From San Jose, drive on the Inter American Highway in direction of San Ramon where you will see a big intersection with a Shopping Mall in the corner (incl. Steakhouse, etc.). Turn right and go straight through San Ramon. At the end of the road, make a left turn & a quick right turn and follow the Arenal volcano and Tabacon Resort sign. You will pass the San Lorenzo Cloud forest, La Tigra, and Chachagua before reaching La Fortuna.
There are short local flights from San Jose and Liberia to Arenal/La Fortuna. Nature Air offers comfortable flights to this and many other tourist destinations in Costa Rica.
Interbus provides an efficient and economic shuttle service from the Central Valley and other Costa Rican destinations to Arenal/La Fortuna. A reservation is needed 72-hour in advance!