[1] Its upper course falls within the Dzhendema nature reserve of the Central Balkan National Park.

Downstream of the confluence with the Bazovitsa the terrain becomes less undulated and the river again turns southwards.

Its largest tributary the Svezhenska reka (26 km) takes its source from Sredna Gora.

[4] The upper valley of Byala reka and its tributaries is known for its pristine nature and offers favourable conditions for tourism and family recreation.

[5] The 1.83 km eco-trail “Byala reka” beginning at the Kalofer Monastery winds around part of its course.