A long but unforgettable day from Colombo to Sigiriya, the fifth-century palace on top of a sheer granite rock, and the painted cave temples of Dambulla, with hotel pickup and a guide at the rock.
12 to 14 hours$$Book on Viator → A day in Sri Lanka’s last royal capital, with a guided visit to the Temple of the Sacred Tooth Relic, the Royal Botanic Gardens at Peradeniya, Kandy Lake and a tea factory, with hotel pickup in Colombo.
10 to 12 hours$$$Book on Viator → A full day down the south-west coast to Galle Fort, the walled Dutch-era town on a headland, with stops for stilt fishermen, Jungle Beach, a sea turtle hatchery and lunch, with pickup from Colombo.
About 12 hours$$$Book on Viator → The most popular way to see Colombo in a morning: four hours zipping between temples, markets, colonial landmarks and the seafront in a three-wheeler with a local guide, entry fees and snacks included.
A private two-to-three-hour tuk-tuk food tour through Colombo with more than nine tastings, from crab curry and sambol to red bananas, ice cream and a tea tasting, with hotel pickup in central Colombo.
A morning boat trip out of Mirissa, on the south coast beyond Galle, in search of blue whales, sperm whales and spinner dolphins, with breakfast, snacks, life jackets and free pickup from Mirissa hotels.
Colombo’s most visited Buddhist temple, a busy working monastery near Beira Lake packed with brass work, stone carvings, Buddha statues and a museum of gifts from around the world.
1 to 1.5 hours$Official site → 
Sri Lanka’s largest museum, opened in 1877 in a white Italianate building, with ancient sculpture, bronzes, masks and the regalia of the Kandyan kings, and the Natural History Museum in the same grounds.
1.5 to 2 hours$Official site →
FreeColombo’s seafront playground, a long lawn and promenade on the Indian Ocean where families fly kites, couples stroll and street-food stalls light up at sunset, free and open to all.
The tallest tower in South Asia at about 350 metres, shaped like a lotus bud on Beira Lake, with an observation deck for 360-degree views over Colombo and the ocean, plus restaurants and entertainment.
1 to 1.5 hours$$Official site →