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Often referred to as the Ba Be Lakes, Ba Be National Park was established as a national park in 1992. The scenery here swoops from limestone mountains peaking at 1554m down into plunging valleys wrapped in dense evergreen forests, speckled with waterfalls and caves, with the lakes themselves dominating the very heart of the park.

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.

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.

The epicentre of the Mekong Delta, Can Tho is the largest city in the region and feels like a metropolis after a few days exploring the backwaters. As the political, economic, cultural and transportation centre of the Mekong Delta, it’s a buzzing town with a lively waterfront lined with sculpted gardens, an appealing blend of narrow backstreets and wide boulevards, and perhaps the greatest concentration of foreigners in the delta. It is also the perfect base for nearby floating markets, the major draw for tourists who come here to boat along the many canals and rivers leading out of town.

Meo Vac is a small but charming district capital hemmed in by steep karst mountains and, like many towns in the northwest, it is steadily being settled by Vietnamese from elsewhere. The journey here along the spectacular Mai Pi Leng Pass, which winds for 22km from Dong Van, is the main attraction. The road has been cut into the side of a cliff with a view of rippling hills tumbling down to the distant waters of the Nho Que River far below. Right at the top of the pass is a lookout point where you can stop to take in the scenery.

Northern Vietnam's most appealing city has a distinctly laid-back air with its tree-lined boulevards host to a bundle of colonial-era buildings. Caffeine-aficionado heaven, the central area buzzes with dinky cafes where tables spill out onto the pavements – perfect for people watching.

Tra Vinh, one of the prettiest towns in the Mekong Delta, is a peaceful place to explore the region's little-touted Cambodian connection. Around 300,000 ethnic Khmer live in the surrounding province and the area is dotted with more than 140 Khmer pagodas. With wide boulevards shaded by lines of trees, the town itself is more symbolic of the French colonialist era, but get beyond the outskirts and you'll soon discover that Khmer culture is still alive and well in these parts of Vietnam. Tra Vinh also has a small but active Chinese community, one of the few such communities that remain in the Mekong Delta region.

Cat Tien comprises an amazingly biodiverse area of lowland tropical rainforest. The 72,000-hectare park is one of the outstanding natural treasures in Vietnam, a true jungle, and the hiking, mountain biking and birdwatching here are the best in the south of the country. At weekends and public holidays it gets busy with domestic tourists – it's worth calling ahead to book the most popular excursions.

Dong Hoi is a pleasantly untouristed port and seaside town. It enjoys an attractive location, clinging to the banks of the Nhat Le River, and has beaches to the north and south. Recently established air links to Haiphong (for Halong Bay and Cat Ba Island) and the northern Thai city of Chiang Mai promise to significantly increase the city's appeal as a destination. Dong Hoi also has excellent transport links to the Phong Nha region.

Tay Ninh town, the capital of Tay Ninh province, serves as the headquarters of one of Vietnam’s most intriguing indigenous religions, Cao Daism. The Cao Dai Great Temple at the sect’s Holy See is one of Asia's most unusual and astonishing structures. Built between 1933 and 1955, the temple is a rococo extravaganza blending the dissonant architectural motifs of a French church, a Chinese temple and an Islamic mosque.