Hillingdon Cycle Circuit is in Minet Park in Hayes in West London.
The circuit is located on the east side of the A312 Hayes Bypass at the A4020 Uxbridge Road roundabout about one and a half miles north of M4 junction 3. The entrance is in Springfield Road off the A4020 Uxbridge Road.
For sat navigators the post code is UB4 0LP. See Minet Park map and regulations here.