# Novohradka

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The **Novohradka** is a [river](/source/River) in the [Czech Republic](/source/Czech_Republic), a right [tributary](/source/Tributary) of the [Chrudimka](/source/Chrudimka) River. It flows through the [Pardubice Region](/source/Pardubice_Region). It is 49.2 km (30.6 mi) long.

## Etymology

The river is named after the village of [Nové Hrady](/source/Nov%C3%A9_Hrady_(%C3%9Ast%C3%AD_nad_Orlic%C3%AD_District)).

## Characteristic

The Novohradka originates in the territory of [Proseč](/source/Prose%C4%8D) in the [Upper Svratka Highlands](/source/Upper_Svratka_Highlands) at an elevation of 649 m (2,129 ft) and flows to [Úhřetice](/source/%C3%9Ah%C5%99etice), where it enters the Chrudimka River at an elevation of 230 m (750 ft). It is 49.2 km (30.6 mi) long. Its [drainage basin](/source/Drainage_basin) has an area of 470.0 km2 (181.5 sq mi).[1] The average discharge at its mouth is 2.52 m3/s.[2]

The longest tributaries of the Novohradka are:[3]

Tributary Length (km) River km Side Ležák 31.0 7.2 left Žejbro 30.8 10.0 left Krounka 24.0 29.9 left Anenský potok 11.8 24.3 left Prosečský potok 10.1 38.6 left

## Course

The river flows through the municipal territories of [Proseč](/source/Prose%C4%8D), [Bor u Skutče](/source/Bor_u_Skut%C4%8De), [Jarošov](/source/Jaro%C5%A1ov_(Svitavy_District)), [Nová Ves u Jarošova](/source/Nov%C3%A1_Ves_u_Jaro%C5%A1ova), [Nové Hrady](/source/Nov%C3%A9_Hrady_(%C3%9Ast%C3%AD_nad_Orlic%C3%AD_District)), [Zderaz](/source/Zderaz_(Chrudim_District)), [Leština](/source/Le%C5%A1tina_(%C3%9Ast%C3%AD_nad_Orlic%C3%AD_District)), [Hluboká](/source/Hlubok%C3%A1_(Chrudim_District)), [Střemošice](/source/St%C5%99emo%C5%A1ice), [Luže](/source/Lu%C5%BEe_(Chrudim_District)), [Lozice](/source/Lozice_(Chrudim_District)), [Jenišovice](/source/Jeni%C5%A1ovice_(Chrudim_District)), [Chroustovice](/source/Chroustovice), [Hrochův Týnec](/source/Hroch%C5%AFv_T%C3%BDnec), [Dvakačovice](/source/Dvaka%C4%8Dovice), [Vejvanovice](/source/Vejvanovice), [Úhřetická Lhota](/source/%C3%9Ah%C5%99etick%C3%A1_Lhota) and [Úhřetice](/source/%C3%9Ah%C5%99etice).

## Bodies of water

There are 597 bodies of water in the basin area. The largest of them is the fishpond Horecký rybník with and area of 31.6 ha (78 acres), supplied by the Žejbro.[1] There are no fishponds or reservoirs built directly on the Novohradka.

## Nature

According to a research made in the years 2015–2017, 15 species of aquatic molluscs were found in the Novohradka: 7 species of gastropods and 8 species of bivalves. The endangered species of bivalve *[Unio crassus](/source/Unio_crassus)* occurs in the river, although it is not abundant.[2]

The upper course of the river flows through the Maštale Nature Reserve. It has an area of 1,080.5 ha (2,670 acres) and the main object of protection are pine forests and rock formations with a predominance of [Cenomanian](/source/Cenomanian) sandstones.[4] The following course of the river forms a valley protected as the Údolí Krounky a Novohradky Nature Park. The area is characterized by riparian vegetation along the river, scattered greenery, waterlogged meadows and adjacent woodlands. Occurring here are protected species of animals and plants, e.g. [fire salamander](/source/Fire_salamander), [northern crested newt](/source/Northern_crested_newt) and [common kingfisher](/source/Common_kingfisher).[5]

## References

1. ["Základní charakteristiky toku Novohradka a jeho povodí"](http://www.dibavod.cz/download.php?id_souboru=2214) (in Czech). T. G. Masaryk Water Research Institute. Retrieved 2025-06-02.

1. Beran, Luboš (2018-02-08). ["Vodní měkkýši Novohradky \[Aquatic molluscs of the Novohradka River\]"](https://mollusca.sav.sk/pdf/17/17.Beran2.htm) (in Czech). *[Malacologica Bohemoslovaca](/source/Malacologica_Bohemoslovaca)*. **17**: 8–12. [doi:10.5817/MaB2018-17-8](https://doi.org/10.5817/MaB2018-17-8). [ISSN 1336-6939](https://www.worldcat.org/issn/1336-6939)

1. ["Vodní toky"](https://mapy.chmi.cz/ords/chmi_app/r/fewshlprf/stream-list?) (in Czech). *Evidence hlásných profilů*. [Czech Hydrometeorological Institute](/source/Czech_Hydrometeorological_Institute). Retrieved 2024-10-14.

1. ["Maštale"](https://drusop.nature.cz/ost/chrobjekty/zchru/index.php?SHOW_ONE=1&ID=1502) (in Czech). Nature Conservation Agency of the Czech Republic. Retrieved 2024-10-14.

1. ["Přírodní park Údolí Krounky a Novohradky"](https://www.mastale.cz/cs/udoli-korunky-novohradky) (in Czech). Mikroregion Maštale. Retrieved 2024-10-14.

## External links

- [River flow at Úhřetice station](https://hydro.chmi.cz/hppsoldv/hpps_prfdyn.php?seq=307010) – Flood Warning and Forecasting Service of the [Czech Hydrometeorological Institute](/source/Czech_Hydrometeorological_Institute)

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Adapted from the Wikipedia article [Novohradka](https://en.wikipedia.org/wiki/Novohradka) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Novohradka?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.