**Archived extract:** 2026-10-15 (UTC). Frozen data; observation dates are shown as captured. [View the current site](/)

# Struma river

Also known as: Strymon, Strymonas, Truma

The Struma (also known as Strymon, Strymonas, Truma) is a European river flowing through Bulgaria, Greece. No public discharge gauge currently reports on the Struma.

**Canonical name:** Struma

**Local names / aliases:** Strymon, Strymonas, Truma

**Countries:** Bulgaria, Greece

**Maximum upstream drainage area:** 16,801 km²

**Mapped river length:** 330.5 km

**Gauging stations:** 0

## Gauging stations on the Struma

No public discharge gauge is currently projected onto the Struma in this dataset.

## Related rivers

-   [Maritsa](/archive/2026-10-15/rivers/maritsa.html)
-   [Искър](/archive/2026-10-15/rivers/n-n-n-995.html)
-   [Янтра](/archive/2026-10-15/rivers/n-n-1001.html)
-   [TñƒÐ½Ð´Ð¶Ð°](/archive/2026-10-15/rivers/tn.html)
-   [Камчия](/archive/2026-10-15/rivers/n-n-996.html)
-   [Огоста](/archive/2026-10-15/rivers/n-n.html)
-   [Вит](/archive/2026-10-15/rivers/n.html)
-   [Русенски Лом](/archive/2026-10-15/rivers/n-n-n.html)
-   [Осъм](/archive/2026-10-15/rivers/n-n-1000.html)
-   [Марица](/archive/2026-10-15/rivers/n-n-997.html)

## Data, sources & timestamps

Geometry is the HydroRIVERS network (HydroSHEDS): European reaches with at least 500 km² of upstream catchment, merged into chains between confluences. Flow direction comes from the network itself; river names are the canonical English label joined from provider metadata and Natural Earth, with local-language aliases retained.

Discharge is normalised observed streamflow from official national hydrology providers, measured where a gauge sits on the river and interpolated between gauges. Pale/estimated values are derived from drainage area × the local specific discharge of nearby gauges and are never presented as measurements.

Underlying dataset built 2026-10-15T13:24:48.145498+00:00. This page generated 2026-10-15T13:28:34.225Z. Discharge values carry their own observation dates in the table above.

[Explore the Struma on the interactive map →](/archive/2026-10-15/)