The source of the Hornád is the eastern slopes of Kráľova hoľa hill, south of Šuňava.

[4] Cities along its course are Spišská Nová Ves and Košice, both in Slovakia.

It flows into the river Sajó (Slovak Slaná) southeast of Miskolc.

[3] Along the river are a series of six separate limestone rocky cliffs and steep slopes, which collectively make up the Site of Community Importance 'Hornádske vápence'.

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