At the north end of Cassiobury, is the former estate and house of the Earls of Clarendon that is now has been turned into a hotel and with extensive grounds called The Grove.
At the north end of Cassiobury, outside the Borough of Watford in the District of Three Rivers, is the former estate and house of the Earls of Clarendon. This has been converted into a luxury hotel and with extensive grounds called The Grove.