Letterfrack Village is dominated by the Diamond Hill which is located in the Connemara National Park. Landscape conservation is the aim of the Connemara National Park. Open from May to the end of September, it has a variety of activities for all the family with walks, talks, audiovisual show, Connemara ponies, and a new display depicting the development of the Connemara landscape over 10,000 years.
Also included are exhibits of the local boglands and of Connemara's flora and fauna. The old Jesuit school in the village centre is now owned by the community and includes various craft and exhibition workshops. Ballinakil graveyard contains the ruined chapel gable of a medieval church as well as ruins of an earlier sixth or seventh century church. It is here also that the remains of Oliver St.John Gogarty are interred.