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Campgrounds and RV parks in Ontario, CA

443 campgrounds and RV Parks in Ontario, CA. Compare campsite amenities, photos, and site types to find the perfect stop for your rig on your route.

443 campgrounds
62260 campsites
1368 RVs available for delivery
From $15/night

Own an RV? Earn up to $42,641/year.

List your motorhome or travel trailer for free on RVezy.

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Campgrounds in Ontario

Things to do in Ontario

Camping spots and RV parks in Ontario, CA

Where

When to visit Ontario

  • spring

    March - May

    11° / 2°C 75 mm

    Parks open mid-May; black flies peak in the north

  • summer

    June - August

    26° / 16°C 75 mm

    Peak season; sites fill at the 7 a.m. booking window

  • fall

    September - November

    13° / 5°C 75 mm

    Algonquin hardwood colour peaks late September

  • winter

    December - February

    0° / -7°C 60 mm

    Most campgrounds closed; limited winter sites only

Top Hosts in Ontario, CA

Jeff490 trips - Joined Jan 2021 - Superhost
5.0

What a great experience!! Jeff was a wonderful communicator and the trailer was spotless

Kara D. - Sep 2026

5.0

Super easy process, everything came as described. Jeff answered all my questions promptly and provided an exceptionally professional experience. Would definitely rent from him again!

Ben G. - Sep 2026

Robert272 trips - Joined Mar 2018 - Superhost
5.0

Robert is always great to deal with. Pick up and return is easy. Trailer is always clean and equipped with the basics of what we need for our trips.

Crystal P. - Aug 2026

5.0

Amazing as always

marilyn G. - Aug 2026

How to book Ontario campgrounds

What to expect at Ontario campgrounds

Own an RV? Earn up to $42,641/year.

List your motorhome or travel trailer for free on RVezy.

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Frequently asked questions about campgrounds in Ontario, CA

What do I need to rent an RV in Ontario, Canada?

How much does it cost to rent an RV in Ontario?

What’s included for protection when I rent an RV in Ontario?

What if my plans change after booking my Ontario RV rental?

Can I bring my pet on my Ontario RV trip?

How does RV delivery in Ontario work?

How far can I travel in my Ontario RV rental, and what are the mileage policies?

Where can I park an RV overnight in Ontario?

What’s the best time to book an RV rental in Ontario?

I’ve never driven an RV before, is it hard to drive around Ontario?

What happens if I have a breakdown or issue with my Ontario RV rental?

Can I take my Ontario RV rental into the United States?

How much should I budget for gas on an Ontario RV trip?

How far in advance should I book a campground in Ontario for my RV?

What’s driving like in Ontario for RVers?

What should I expect in Ontario RV campgrounds for amenities?

What features can I expect in my Ontario RV rental?

What optional add-ons or fees should I expect with an Ontario RV rental?

How does payment work and what about the security deposit for Ontario RV rentals?