Pont Du Gard

The Romans Built This Without Mortar and It Still Stands After 2,000 Years

That detail stops most people. The Pont du Gard’s three tiers are held together by weight and precision of fit alone – no cement, no mortar, no adhesive of any kind. The largest stones in the lower tier weigh six tonnes each. The whole structure stands 49 metres tall, and the second-tier arch spans 24 metres. It was built around 50 CE as part of a 50-kilometre aqueduct delivering fresh water to Nimes, and Roman engineers managed to maintain a gradient of just 1 in 3,000 across that entire 50-kilometre distance without modern surveying equipment. The Pont du Gard exists where it does because the river gorge happened to be at exactly the right height for that gradient.

They built it in an estimated three to five years.

The Site

The Pont du Gard became a UNESCO World Heritage Site in 1985. Access is managed from a modern welcome centre on the right bank, which includes a good museum, a children’s area, and car parking. Vehicles are not allowed near the structure itself. The bridge is reached on foot, and the most arresting view comes from the riverbank looking up at all three tiers simultaneously.

In summer, the Gardon beaches on both sides fill with swimmers. The water is clean and the gravel is comfortable. In June and July the river is high enough for canoe rentals from operators below the bridge. The 8-kilometre paddle from Collias to the bridge and back costs around EUR 15 to 25 per person and gives you the perspective on the structure that postcards never capture: approaching from downstream, the three tiers rising above a bend in the river, framed by garrigue scrubland.

The upper tier – which carried the actual water channel – can be walked for a supplement on top of the standard entry. If you are comfortable with heights and want the closest possible examination of the stone cutting, it is worth the extra charge. There are no handrails on most of this section. The channel itself is still intact in places, sealed with waterproof Roman opus signinum plaster.

The site museum covers why Nimes needed the water (local springs were inadequate for a colonial city growing toward 50,000 inhabitants), how the engineers calculated the gradient, and how stone was quarried nearby. The scale model of the full 50-kilometre system is the most useful exhibit. Exhibits are in French with clear English panels. Museum entry is included in the site entry fee, which runs around EUR 10 for the full day.

From 15 May to 20 September 2026, the monument is illuminated every evening at dusk. A sound and light show runs nightly from 4 July to 30 August at 10:30pm, transforming the bridge into something the Roman engineers almost certainly never anticipated.

The Region

The on-site cafeteria is functional but not worth lingering over. Drive 15 minutes west to Uzes, a well-preserved medieval town with a Saturday market and several good restaurants around Place aux Herbes. La Taverne on the Place serves Languedoc standards – duck confit, fish from the Camargue – at EUR 20 to 28 for a main. Uzes is also genuinely pretty and easy to underestimate.

Nimes, 21 kilometres southeast, has the Maison Carree (a strikingly complete Roman temple now housing a short film about Roman Nimes, entry EUR 6) and the Tour Magne hilltop tower with views across the surrounding garrigue. The amphitheatre in Nimes, unlike the Colosseum in Rome, still hosts events including bullfights and concerts.

Getting There

The Pont du Gard is not reachable by train. Drive from Nimes (25 minutes), Avignon (30 minutes), or Uzes (20 minutes). There is a paid car park on each bank. In July and August, arrive before 10:00 or prepare to circle for a space. September and October are the best months to visit: the tourist volume drops by roughly 40% compared to August, the water level falls to reveal more of the lower piers, and the garrigue around the site smells of thyme and rosemary in the residual heat.