Regent's Canal
Regent's Canal is a canal across an area just north of central London, England. It provides a link from the Paddington Arm of the Grand Union Canal, 550 yards (500 m) north-west of Paddington Basin in the west, to the Limehouse Basin and the River Thames in east London. The canal is 8.6 miles (13.8 km) long.

Regent's Canal is a canal across an area just north of central London, England. It provides a link from the Paddington Arm of the Grand Union Canal, 550 yards (500 m) north-west of Paddington Basin in the west, to the Limehouse Basin and the River Thames in east London. The canal is 8.6 miles (13.8 km) long.
Check the official site before travelling; hours and prices can change.
More markets

Borough Market
London's defining food market — go early Saturday, eat your way around the perimeter.

Columbia Road Flower Market
Sunday-only flower market in the East End — 8 a.m. for choice, 2 p.m. for prices.

Maltby Street Market
Borough's smaller, scruffier sibling — railway arches, weekend only.
Source: wiki-list