Bus Travel
It is possible to explore this area on your own by bus, but you must allow plenty of time and perhaps stay overnight en route. Sterna serves Þingvellir once daily (June to mid-September) and Gullfoss and Geysir twice daily (June through mid-September).
Contact
BSÍ Bus Terminal. Tours of south Iceland are available from operators like Reykjavík Excursions, who are stationed at the main BSÍ bus terminal. Reykjavík, IS-101. 580–5040; www.bsi.is.