1. Poulnabrone Dolmen, also known as Poulnabrone Portal Tomb, is a famous Neolithic monument located in County Clare, Ireland. It is one of the most iconic and widely photographed archaeological sites in the country.

The dolmen was built around 4200 BC, and it consists of a large flat capstone supported by two upright portal stones, with a horizontal stone supporting the weight at the front. The monument is roughly rectangular in shape, with the capstone measuring around 3.5 meters in length and weighing approximately 5 tons.

Poulnabrone Dolmen is believed to have served as a communal burial site, with the remains of at least 16 adults and children being found during excavations. The site has also provided valuable insights into the society and beliefs of the people who lived during the Neolithic period.

2. The site of Poulnabrone Dolmen is accessible to visitors year-round, and there is no admission fee or specific working hours. Visitors are free to explore the site and learn about its history and significance. However, it is important to note that there are no facilities or guided tours available at the site.

3. The dolmen is located near the village of Liscannor, in the Burren region of County Clare. It can be reached by car or public transportation. The site is easily accessible from the main N67 road, and there is a small parking area nearby where visitors can leave their vehicles.

Visitors can take buses or taxis to Liscannor Village, and from there, it is possible to walk to the dolmen, although it is recommended to have a map or a GPS device to navigate the countryside. The site is located in a rural area, so it is advisable to plan transportation in advance.