Vets in Ontario, OR
🚨 Emergency care3 vet clinics in Ontario. Call ahead for same-day availability; for after-hours crises, hit the red button.
Red markers = emergency clinics. Click a marker for details.
Eastern Oregon Animal Health
1580 SW 4th St, Ontario, OR 97914
Unverified listing — call ahead to confirm hours and availability.
Four Rivers Veterinary Clinic
2280 SW 4th Ave, Ontario, OR 97914
Unverified listing — call ahead to confirm hours and availability.
Ontario Animal Hospital
2514 SW 4th Ave, Ontario, OR 97914-1832
Unverified listing — call ahead to confirm hours and availability.
Emergency and after-hours cover in Ontario
None of the 3 practices we list in Ontario advertise emergency services — at 2am you are driving, so know where before you need to. Why most towns have no emergency hospital.
Nearest emergency hospitals outside Ontario
- WestVet — Meridian, ~39 miles away, roughly a 52 min drive, open 24h
- WestVet Urgent Care — Meridian, ~42 miles away, roughly a 56 min drive
- WestVet — Garden City, ~43 miles away, roughly a 52 min drive, open 24h
- Washington State University Veterinary Teaching Hospital — Pullman, ~188 miles away, roughly a 3 hr 45 min drive, open 24h
Distances are straight-line from Ontario; drive times are estimates, not live traffic.
For a suspected poisoning, ASPCA Animal Poison Control on (888) 426-4435 (24/7, consultation fee applies) can give you treatment advice immediately — often while you are still deciding whether to drive anywhere.
About this list
Ordering is objective — 24/7 first, then emergency services, then alphabetical — and no clinic can pay for placement. Across United States, an emergency exam typically runs $100–$250 and an overnight emergency $800–$3,000 — full cost breakdown · if you cannot pay.