1. The Pont du Gard is an ancient Roman aqueduct bridge located near Remoulins, in the southern part of France. It was built in the 1st century AD and was part of a 50-kilometer-long aqueduct that supplied water to the city of Nîmes, making it an impressive feat of engineering from the Roman era.

The bridge stands at a height of 49 meters (161 feet) and spans the Gardon River. It consists of three tiers of arches and is made of limestone blocks held together without mortar. The Pont du Gard was built to carry an estimated 20,000 cubic meters of water per day, showcasing the advanced hydraulic technology of the Romans.

Today, the Pont du Gard is a UNESCO World Heritage site and a popular tourist attraction. Visitors can explore the site and learn about its history through various exhibits and displays. There is also a museum nearby that provides further information on the aqueduct system and the daily life of the Romans.

2. The Pont du Gard is open throughout the year, but the opening hours vary depending on the season. From April to September, it is open from 9:00 AM to 8:30 PM. From October to March, it is open from 9:00 AM to 5:00 PM. It is advisable to check the official website or contact them directly for the most up-to-date information on visiting hours.

The contact number for the Pont du Gard is +33 (0)4 66 37 50 99.

3. Ticket information and transportation options:

- Ticket prices: As of 2021, the adult admission fee is €9.50 for access to the Pont du Gard site and the museum. There are reduced rates for students, children, and groups. Audio guides and guided tours are available for an additional cost.

- Transportation: The Pont du Gard is located about 25 kilometers (15.5 miles) from the city of Avignon. It can be reached by car, and there is a large parking area available. Alternatively, there are also public transportation options such as buses and trains that connect Avignon to the Pont du Gard. Buses run from Avignon to the Pont du Gard regularly, and the journey takes approximately 30 minutes.