Foz do Zêzere Centro de Eventos e Fluviário is an environmental, educational and tourism destination in Constância, Portugal, interpreting the natural and cultural heritage of the Zêzere and Tagus rivers and the surrounding region. Its fluviary introduces visitors to local aquatic wildlife and landscapes, with guided visits led by a biologist who explains species, their origins and their relationship with the environment. The experience also includes an immersive documentary and a hands-on gold-prospecting activity that connects visitors with the area’s history.

The centre welcomes schools throughout the year, while public visits and group bookings are available by prior arrangement. Visits are guided and last approximately 60 minutes; group activities may also be arranged, with some options reserved for larger groups. The wider programme includes educational and cultural activities, nature sports and adventure experiences. The venue’s listed facilities and services include kayaking, a lounge, a training centre and a restaurant. Foz do Zêzere is operated under the AVENTUR brand by Gonçalo Neves Unipessoal Lda.