Dollis Brook Viaduct | |
|---|---|
 The Dollis Brook Viaduct | |
| Coordinates | 51°36′18″N 0°12′08″W / 51.6051°N 0.2022°W |
| Carries | London Underground Northern line |
| Crosses | Dollis Road, Dollis Brook |
| Locale | Finchley, London |
| Official name | Dollis Brook Viaduct, Dollis Road Viaduct, Mill Hill Viaduct |
| Characteristics | |
| Design | Viaduct |
| Material | Brick |
| Total length | 13 arches of 32 feet (9.8 m) span each |
| Height | 60 feet (18 m) |
| No. of spans | 13 |
| History | |
| Designer | John Fowler, Walter Brydone |
| Construction start | 1863 |
| Construction end | 1867 |
| Opened | 22 August 1867 |
| Location | |
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The Dollis Brook Viaduct, also known as the Dollis Road Viaduct, Dollis Viaduct or Mill Hill Viaduct, is a railway viaduct to the west of Finchley, North London, United Kingdom. It carries the London Underground's Northern line from Mill Hill East station to Finchley Central station. It is the highest point on the London Underground above ground level, reaching nearly 60 feet (18 m). It is located on a branch that was formerly part of the Edgware, Highgate and London Railway.