| Route 303 | ||||
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| Route information | ||||
| Maintained by Transports Québec | ||||
| Length: | 50.1 km (31.1 mi) | |||
| Major junctions | ||||
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| North end: |
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| Location | ||||
| Counties: | Pontiac | |||
| Highway system | ||||
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Route 303 is provincial secondary highway located in the Outaouais region in western Quebec. The 47-kilometer route in the Pontiac County runs from Portage-du-Fort (near the Ontario-Quebec crossing towards Renfrew County) towards Otter Lake at the junction of Route 301.