Vet Clinics in Port Colborne, Ontario2 veterinary clinics in Port Colborne, Ontario.HomeClinicsOntarioPort ColborneClinicsCLARENCE ST. VET CLINIC — 167 Clarence St, Port Colborne, ON L3K 3G4, Canada (4.7 stars)VCA Canada Port Colborne Animal Hospital — 503 Elm St, Port Colborne, ON L3K 5W6, Canada (4.5 stars)