| Orekhovka | |
| Source1 Location: | Sikhote-Alin |
| Mouth: | Malinovka |
| Progression: | Malinovka→ |
| Subdivision Type1: | Country |
| Subdivision Name1: | Russia |
| Length: | 80km (50miles) |
The Orekhovka (Russian: Ореховка, formerly Сандо-Вака Sando-Vaka)[1] is a river in Dalnerechensky District, Primorsky Krai, Russia. It is the longest tributary of Malinovka, which it enters about 111 km from the Malnikova's confluence with the Bolshaya Ussurka.
The Orekhovka drainage basin covers about 1810km2. The river is 80km (50miles) long. The usual depth of the river is 1mto1.5mm (03feetto04.9feetm).[2]
There are two hydrologic posts on the river near the villages of Polyany and Yasnaya Polyana.