Interlaken has two railway stations, Interlaken Ost and Interlaken West, which are both served by the BLS AG's Thunersee line that provides direct services to Spiez, Thun, Bern and beyond, with onward connections at Bern to the rest of Switzerland.
Interlaken is connected by the A8 motorway to Thun and Lucerne, with onward connections by other Swiss motorways to the rest of Switzerland.