Hydrological, data for a better understanding of water

Rivers

3D Hydrography Program (3DHP)

USGS elevation-derived hydrography
Lidar-based flowlines that succeed the NHD

Rivers (Natural Earth) over Blue Marble (NASA GIBS)

Source: USGS
Resolution: Lines from lidar elevation
Time span: Annual releases since 2025
Access type: API (external)
Formats: File geodatabase, GeoPackage
Coverage: United States (growing)
Provider: www.usgs.gov/3d-hydrography-progr…

curl -fsSL "https://hydrological.org/api/v1/datasets/usgs-3dhp/links.txt?bbox=-123,43.5,-121,45.5" \
  | xargs -n 1 curl -fLO

import requests

r = requests.get("https://tnmaccess.nationalmap.gov/api/v1/products",
                 params={"bbox": "-123,43.5,-121,45.5",
                         "datasets": "3D Hydrography Program (3DHP)"})
for item in r.json()["items"]:
    print(item["title"], item["downloadURL"])

const res = await fetch("https://hydrological.org/api/v1/datasets/usgs-3dhp/links?bbox=-123,43.5,-121,45.5");
const { groups } = await res.json();
for (const g of groups) g.links.forEach(l => console.log(l.url));

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