The waterbus route between Camden Lock and London Zoo traces three kilometres of Regent's Canal, a working waterway opened in 1820 to connect the Grand Junction Canal at Paddington with the Thames at Limehouse. Engineer James Morgan designed the eight-and-a-half-mile line to carry coal, timber and building stone into the heart of London, bypassing the congested roads of Marylebone and Euston. The canal passed through newly laid-out Regent's Park, and by the 1840s pleasure boats were already competing with commercial barges for passage through the double lock at Camden Town. Today the camden lock boat to london zoo service is the only surviving scheduled passenger route on the Regent's Canal, operating from late March through October when water levels and daylight hours permit. The forty-five-minute journey departs from West Yard at Camden Market, a cobbled basin ringed by Victorian warehouses that once stored grain and ice imported along the canal. The waterbus itself is a traditional narrow boat, seven feet wide and fifty feet long, its steel hull painted in the livery of working canal craft. Passengers sit on bench seating under a canvas canopy, low enough to clear the bridges that punctuate the route at quarter-mile intervals. The route threads through three distinct landscapes. The first stretch winds north from Camden Lock past moored houseboats and the rear gardens of terraced houses in Primrose Hill, their brick boundary walls dropping directly to the waterline. At the second lock, the boat is manually winched down three feet by the skipper, who steps ashore to operate the paddle gear—a process that takes six minutes and offers a close view of the canal's Victorian engineering. Beyond the lock the waterway enters the northern edge of Regent's Park, where the towpath becomes a tree-lined promenade and the urban density gives way to open parkland. The final approach passes the Cumberland Basin and the aviary enclosures of ZSL London Zoo, the boat mooring at a dedicated pier inside the zoo's northern boundary. The camden lock boat to london zoo tours run hourly during peak season, with the last departure timed to reach the zoo before its late-afternoon closure. Return journeys follow the same route in reverse, though most passengers choose the one-way service and return overland by foot or public transport. The canal's towpath, now part of the National Cycle Network, provides an alternative walking route of fifty minutes between the same two points, though the waterbus remains the only way to experience the lock passage and the low-level perspective of the canal's original users.