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With limestone outcrops amid serene rice paddies, Tam Coc is best appreciated on a languorous rowing-boat ride, with the soundtrack of the river lapping against the oars.

A French-era hill station, this national park reaches a peak of 1450m at Bach Ma mountain, only 18km from the coast. The cool climate attracted the French, who built over a hundred villas here. Not surprisingly the Viet Minh tried hard to spoil the holiday – the area saw some heavy fighting in the early 1950s and again during the American War.

Northeast Vietnam includes Halong Bay, one of the region's biggest draws. Reasons to linger after your boat trip include the lesser-known but stunning Bai Tu Long Bay, the intersection of nature and culture that is Ba Be National Park, the otherworldly karst landscapes outside of Cao Bang and the urban options in Haiphong.

Practically obliterated during the American War, Vinh was rebuilt with East German aid – hence the brutalist concrete architecture dominating downtown. The only reasons to stop here are if you're a Ho Chi Minh devotee (he was born in a nearby village), or if you're heading to Laos.

Draped along the banks of the Hau Giang River (Bassac River), Chau Doc sees plenty of travelers washing through on the river route between Cambodia and Vietnam. A likeable little town with significant Chinese, Cham and Khmer communities, Chau Doc's cultural diversity – apparent in the mosques, temples, churches and nearby pilgrimage sites – makes it fascinating to explore even if you're not Cambodia-bound. Taking a boat trip to the Cham communities across the river or heading to nearby Sam Mountain and Tra Su Bird Sanctuary are other highlights, while the bustling market and intriguing waterfront provide fine backdrops to a few days of relaxation.

Gateway to the Mekong Delta, My Tho is the capital of Tien Giang province and an important market town – although for the famous floating markets, you’ll need to continue on to Can Tho.

Few parts of Vietnam stir the imagination with the lure of adventure quite like the highlands. The ribbon that is the Ho Chi Minh Hwy winds its scenic way past coffee plantations, pine-studded mountains, rice paddies with their wallowing buffalo, enormous reed-covered lakes and peaceful villages, laying down the challenge of a two-wheeled journey.

Pronounced ‘hway’, this deeply evocative capital of the Nguyen emperors still resonates with the glories of imperial Vietnam, even though many of its finest buildings were destroyed during the American War.

This eponymous provincial capital isn't unpleasant; the climate is mild, and winter days can bring a chilly welcome relief from the heat when a thick fog clings to the banks of the Bang Giang River. But you'll most likely use the city as a base to explore rural Cao Bang province, one of the most beautiful regions in Vietnam.