The park itself was bought for £30,000 in 1897 and at 178 acres (0.72 km2) is the biggest in Leicester. While the park has a "blend of meadows, mature woods and hedgerows" the park also contains a large number of sporting facilities including a bmx track, a skate ramp, a baseball field, 2 Bowling greens, 5 Football pitches, 6 Cricket pitches (all with associated changing facilities) and 6 Tennis courts. Until the 1950s the Park's tennis courts, then located to the far west of the Park, were the home of Westcotes Church Tennis Club and then Westfields Lawn Tennis Club. The club later moved to a site on the nearby Eastfield Road; the courts on Western Park are now open to the public.
Since 2008, the full-sized baseball field at the southwest end of park has been home to the Leicester Blue Sox Baseball Club. The Blue Sox have been British Baseball Federation national baseball champions in 2009 and 2012. The club has adult and youth teams and is open to players of all ages and abilities.
The former park warden's lodge is home to the environmental charity Groundworks Leicester & Leicestershire, formerly known as Environ. This building is now called the "Eco House" after being converted as a show house, used to demonstrate ways of making homes more environmentally friendly. It is open to the public and holds one-off events as well as receiving visits from local schools. The Eco House and the neighbouring recycling centre are parts of the larger Groundwork UK network.
A voluntary group, The Friends of Western Park, works with the city council to "improve the park for everyone".
The area of Leicester sharing the park's name is a generally affluent area to the South and East of the park. The suburb also contains Dovelands Primary School which caters for 550 3–11-year olds, including nursery school children. St. Anne's Parish Church, and the aforementioned Westfields Tennis Club. The club has four floodlit courts and caters to both children and adults from the local area and beyond.