The estate was established by Henry St. George Caulfield in 1878 and was named after Holmwood, a parish in Surrey, England.
Most of the remaining area utilized for settlements called 'line rooms', typical residences built by British during colonial periods.
The Estate shares a breezing climate due to the adjoining Agra-Bopath forest reserve, which is an evergreen forest in Nuwara Eliya District, which is connected to Horton Plains National Park on the East.
The residents of the estate share the cultural traditions of Indian Tamils of Sri Lanka.
[clarification needed] Ramar Mali (Tamil: (இராமர் மலை) a mountain with a temple of Rama at the peak which is situated on the borders of Agra-Bopath Forest reserve.
People who were working on cleaning the peak for a tea plantation when they found an arrow-like steel rod that was believed to be an arrow used by Rama during his war with Ravana as described in Ramayana.
Since the day that arrow was found, the place started to be worshiped by Hindus and visited by pilgrims.
It is Hill Country Climate: From January to April the temperature ranges from 21 to 14 °C, May to 18–16 August °C and from September to 18–15 December °C.