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Hydrological Map of America


United States of America Hydrological Map

Water is literally the lifeblood of any country. If you’re drawn to water, you know that how and where it flows tells the story of a place. Our USA Hydrological Map shows in fascinating detail how the country’s rivers and streams flow and interconnect, merge and diverge, carrying life to the land. The flow of water also has an inherent aesthetic elegance that our map captures beautifully.

It’s all in the details. Our map depicts every river in the country—even intermittent streams—and every body of water with a diameter greater than 6 miles. For an extra aesthetic touch, we apply a method called the Strahler Stream Order to show the hierarchy of streams as they flow from their source—rivers are shown thicker as they acquire the flow of tributaries. We think it enhances a sense of the interconnectedness of our waterways.

In our Hydrology Series, you’ll not only find your favorite rivers and lakes, but you’ll also be able to trace their origins and outflow and appreciate the beauty of their connections.

  • Made in the USA

    We consider our maps to be works of art, so we print and frame them accordingly. We offer two choices of print surfaces: fine-art archival paper and stretched canvas.

    Every map is custom printed. We have no inventory. Only when we receive your order do we produce your print on our 12-color giclée printer, using top-quality archival inks that will never fade.

    Fine Art Paper (Does not include frame)-Our archival paper is museum-quality, 100% cotton, acid-free, and certified to last 100 years. This assures sharp details, true colors, and exceptional durability. Order your maps on archival paper if you intend to frame them.
    Click here to learn about our Thin Wood Frames.

    Canvas Gallery Wrap-If you prefer a frameless look, order your map on stretched canvas, which offers a bit more depth and texture. We use archival canvas, gallery-wrapped and varnished, stretched onto a 1.5-inch-thick wood frame.


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James P.
United States


I've always been a map nerd so naturally I had to look at this map up close at the local REI where one was displayed, and I was hooked. Looking forward to having this dry mounted so I can put it on a wall.

Conner T.
United States


The map came quickly, was very well protected, and of a better quality than I honestly expected. The package also had two stickers in so that was a plus. The map itself is beautiful (black and white). The contrast is awesome and the detail is awesome. I’ll be keeping this map around for a while.

Conner T. verified customer review of Hydrological Map of America
Kevin S.
United States

Hydrological Map of America

Great print. Very high quality. Impressive. Keep up the good work!

Madeline W.
United States

Great and interesting wall art

Bought this for our paper wedding anniversary as we are both water nerds :) It is really interesting and makes great wall art, we get a lot of comments on it as people study it when they come over. Beautiful and educational!

Wayne W.
United States


The maps are beautiful. I'm a huge fan of this sort of data, and I stare at the US map for way too long. In fact, the other day, I was thinking about how much I'd pay for a world hydrological map that covered my entire wall. I imagine that data would be hard to come by. Also, I like the stream order, but I would be interested in seeing some other measurements of streams depicted. (These would be way more difficult, I think.) What if you did yearly average stream flow? The Atchafalaya, for example, is a distributary of the Mississippi, so it's almost invisible on the US map, but it carries almost as much water as the Columbia. On this map, due to stream order, you can hardly see the Atchafalaya. Still, it is an awesome map. Also, I should note that I bought the US map and the Canadian map. The US map is much better. There's not enough variance in the Canadian stream order to make it really pop as a work of art. The US is super interesting. I still love both, but I love the US map more.