Twin Flight Locks
Locks 4, 5 and 6 are built as twin flights, two parallel stairways of chambers climbing the escarpment. On the poster they form a distinctive doubled line.
Minimalist map poster · Canada
43.1168° N / 79.1996° W
A Niagara city on the escarpment, split by the Welland Canal and its doubled stair of locks carrying ships between two lakes.

One city, five moods
Tap a style to see it on the wall. Every style costs the same — printed, framed or as HD files.
Actual pixels · 24 × 36″ print filePrint-sharp
This is a 100% crop of the real print file. Every poster — printed, framed or downloaded — is rendered on our servers at 300 DPI, up to 7,200 × 10,800 pixels, so even the smallest lanes stay crisp on a 24 × 36″ print.
On the wall



The map
Thorold sits on the Niagara Peninsula between St. Catharines and Welland and calls itself the City Above the Escarpment. Its map is dominated by the Welland Canal, which crosses the city from north to south. The canal carries ships between Lake Ontario and Lake Erie, lifting them over the Niagara Escarpment through a series of locks.
The most striking section is the Twin Flight Locks, where paired chambers step up the escarpment side by side, a rare arrangement that appears on the map as a doubled, ladder-like channel. Reservoirs such as Lake Gibson and Lake Moodie, traces of earlier canal alignments and the older downtown streets add further layers.
A Thorold map poster brings industrial waterways, residential grids and the long straight lines of Niagara's highways into one frame. Watching a lake freighter move through the locks is a local pastime. The Thorold Tunnel, which carries a road beneath the canal, is one of the few places where traffic passes under a working shipping route.
Locks 4, 5 and 6 are built as twin flights, two parallel stairways of chambers climbing the escarpment. On the poster they form a distinctive doubled line.
The Welland Canal runs straight through Thorold, dividing it into east and west and giving the map a strong vertical axis that everything else responds to.
Lake Gibson, Lake Moodie and fragments of earlier canals appear as irregular water shapes beside the modern channel, showing how water here has been engineered over nearly two centuries.
Make it yours
Add a date, a name or a line of your own, switch style, size or orientation.
The free preview is low-resolution with a watermark. Prints and HD files are rendered at 300 DPI, up to 7,200 × 10,800 px, without a watermark.
Why Thorold
Thorold is one of the few places where a map shows ships and streets side by side. For residents, canal enthusiasts or anyone who has watched a freighter pass through the flight locks, it is an unusual and personal piece to hang.
Add a title and subtitle, set the coordinates line, and pick Classic black & white, Noir, Paper, Blueprint or Sand. Blueprint suits the engineering story well. Download six sizes for $9, or order a matte print from a partner close to you.
Order the Thorold poster| Print size | Resolution | Files |
|---|---|---|
| 30 × 40 cm11.8 × 15.7″ | 3,543 × 4,724 px | PNG · PDF |
| 29.7 × 42 cm (A3)11.7 × 16.5″ | 3,508 × 4,961 px | PNG · PDF |
| 42 × 59.4 cm (A2)16.5 × 23.4″ | 4,961 × 7,016 px | PNG · PDF |
| 45.7 × 61 cm18 × 24″ | 5,400 × 7,200 px | PNG · PDF |
| 50 × 70 cm19.7 × 27.6″ | 5,906 × 8,268 px | PNG · PDF |
| 61 × 91.4 cm24 × 36″ | 7,200 × 10,800 px | PNG · PDF |
For comparison, the free preview is 900 px wide, watermarked and meant for screens. The HD files have up to 8× the resolution in each direction and print cleanly at full poster size.
Pick a style at the top of the page, then choose Printed Poster — a size and, if you like, a frame — or Digital HD Files. Checkout takes one step, and your order page updates as soon as the payment goes through.
It is printed on premium 200 gsm matte paper in one of six sizes, from 30 × 40 cm to 24 × 36″. Printed posters start at $39, shipping included.
Yes. Choose a solid wood frame in black, white, natural oak or dark wood. It comes with shatterproof glazing and is ready to hang. Framed posters start at $99, shipping included.
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Send us a photo within 14 days of delivery and we will reprint it for free or refund you.
Yes. In the editor on this page, change the title, the subtitle and the coordinates line to anything you like, and pick a style and size. Printed, framed and digital orders all use exactly your design.
For $9 you get 300 DPI PNG and print-ready PDF files in all six sizes, without a watermark, to print anywhere. Not sure yet? Download a free watermarked preview first.
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