StreamCat

Provides summaries of natural and anthropogenic landscape features for ~2.65 million streams, and their associated catchments, within the conterminous USA.

dataset hydrology nhdplus ord research watersheds

Hydrosphere - Ocean and Hydrology Data Access - Last synced: 16 Apr 2026 - Ranking: 7.0

River Runner

Visualize the path of a rain droplet from any point in the contiguous United States to its end point.

3d data-visualization geology hydrology mapbox mapping mapping-tools mountain-features nhdplus nhdplus-data ocean river-runner sci-viz svelte topography usgs usgs-api usgs-data visualization yellowstone-national-park

Hydrosphere - Freshwater and Hydrology - Last synced: 17 Apr 2026 - Ranking: 6.1