| Wiar | |||||||||||
| Name Other: | Вігор | ||||||||||
| Subdivision Type1: | Country | ||||||||||
| Subdivision Name1: | Poland, Ukraine | ||||||||||
| Subdivision Type4: | Counties | ||||||||||
| Length: | 70.4km (43.7miles) | ||||||||||
| Discharge1 Avg: | 6m3/s | ||||||||||
| Source1: | Mount Brańcowa | ||||||||||
| Source1 Location: | Jureczkowa, Bieszczady County, Subcarpathian Voivodeship, Poland | ||||||||||
| Source1 Elevation: | 620m (2,030feet) | ||||||||||
| Mouth: | San | ||||||||||
| Mouth Location: | Przemyśl, Subcarpathian Voivodeship, Poland | ||||||||||
| Mouth Coordinates: | 49.7922°N 22.8256°W | ||||||||||
| Basin Size: | 798.2km2 | ||||||||||
| Tributaries Left: | Zalissia River | ||||||||||
| Tributaries Right: | Bibiska Mala Vyrva Bukhta Vyrva | ||||||||||
| Custom Label: | Progression | ||||||||||
| Extra: |
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Wiar or Vihor (Ukrainian: Вігор) is a left tributary of the San River in southeastern Poland and Ukraine. It flows for 70.4 kilometres, and joins the San near Przemyśl.