Hyde Park is located in the centre of London and is easily accessible from mainline stations and tube. The area is also well served by buses from most parts of the city.
From Victoria Rail or Coach station it’s brief 20 minute walk to Hyde Park, similarly the closest underground stations are Hyde Park Corner (Piccadilly Line) and Marble Arch (Central Line), each within a short walk. You can also get the buses 2, 16, 36, 38, 52, 73 and 82.
From Kings Cross and St Pancras Railway station take the southbound Piccadilly Line on the Underground to Hyde Park Corner station. You can also get the buses 10 or 73.
From Euston Station take the Victoria Line on the Underground to Green Park station and Hyde Park is about 10 minutes walk away, or take the 73 bus to Hyde Park Corner.
From Waterloo Rail station take the Bakerloo Line to Piccadilly Circus station and change to the Piccadilly Line to Hyde Park Corner station.
From London Bridge Rail station take the Jubilee Line on the Underground to Green Park station and walk for 10 minutes.
Alternatively from Charing Cross station take the Bakerloo Line to Piccadilly Circus and change to the Piccadilly Line to Hyde Park Corner or catch the number 9 bus outside the station.
Full travel help and journey planner can be found on the TFL website here : http://www.tfl.gov.uk/plan-a-journey/