Oastler Lake Provincial Park - Canada

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About Oastler Lake Provincial Park

RV quick facts for Oastler Lake Provincial Park

DetailInformation
Max RV length35 ft
Electrical hookups42 sites with 30 amp service in Beachside, Hardwood Hill, and Riverside campgrounds
Dump stationTrailer dump/fill station available at park
Pull-through sites18 dedicated pull-through RV sites
Reservation windowPark open May 8 to October 13; early booking recommended for peak season

Best time to visit Oastler Lake Provincial Park

The best time to visit Oastler Lake Provincial Park for RV camping is July through early September, when temperatures average 16-24°C (61-75°F) and all park facilities are fully operational. June and late August offer pleasant weather with fewer crowds, though water temperatures remain cool. Early May features blackflies and mosquitoes, while October offers beautiful fall colors but cooler temperatures and the approaching season end. The park operates only from May through October, with peak season from late June through Labour Day.

Jan 98 mm
-4°C - -12°C

Park closed

Feb 80 mm
-2°C - -10°C

Park closed

Mar 100 mm
4°C - -2°C

Park closed

Apr 131 mm
8°C - 0°C

Park closed until May 8

May 90 mm
15°C - 6°C

Opens May 8; blackflies and mosquitoes early month

Jun 95 mm
19°C - 11°C

Peak season begins; warm water conditions develop

Jul 121 mm
24°C - 16°C

Warmest month; peak holiday season

Aug 79 mm
23°C - 15°C

Warm conditions continue; excellent swimming

Sep 61 mm
19°C - 11°C

Shoulder season; fewer crowds; fall colors begin

Oct 127 mm
12°C - 6°C

Closes October 13; vibrant fall foliage

Nov 120 mm
6°C - 0°C

Park closed

Dec 149 mm
-2°C - -6°C

Park closed; heaviest snowfall month

Things to do at Oastler Lake Provincial Park

  • Swimming at Oastler Lake Beach Easy
    RV parking available

    Oastler Lake offers one of the best swimming beaches in the Parry Sound area, with sandy shoreline and calm waters ideal for families. The park includes beach amenities and a lifeguard-monitored area, making it a popular waterfront destination.

  • Fishing Easy
    RV parking available

    The lake supports populations of rainbow trout, pike, and bass, with fishing accessible from shore or by boat. The park provides a boat launch facility for anglers with their own watercraft.

  • Boating and Canoeing Easy
    RV parking available

    Oastler Lake is ideal for recreational boating and paddling. The park offers canoe and kayak rentals, docking facilities, and a boat launch for visitors without their own watercraft.

  • Seguin Recreational Trail Cycling Moderate
    RV parking available

    The adjacent Seguin Recreational Trail is a 75-kilometre multi-use trail following a historic railway corridor through forests, wetlands, and past scenic features including Seguin Falls and rock cuts. The trail accommodates bicycles, hikers, and horseback riders.

  • Hiking and Walking Easy
    RV parking available

    Summer hiking opportunities are available on the Seguin Recreational Trail and surrounding park areas, providing access to scenic landscapes, geological features, and forest environments.

  • Wildlife Viewing Easy
    RV parking available

    The forested lakeside environment provides opportunities to observe deer, birds, and other wildlife typical of central Ontario. Early morning and dusk hours offer the best viewing conditions.

Top Hosts near ON, Canada

Tracey17 trips - Joined Jan 2024

We had an absolutely incredible time with Tracey's motorhome. It was our first motorhome trip and first time using RVezy and was fantastic all around. Tracey was extremely accommodating and responsive, which is great for first timers!

Sara-Marie S. - Oct 2025

This was the first time renting an RV and we loved it! The host was great and walked us through everything when we picked up the RV. It was clean and in excellent condition. It was stocked with all that we needed, including dishes, pot and pans, paper towel, tin foil and toilet paper. The camper was easy to navigate and everything worked perfectly. We would definitely rent this RV again!

Karen K. - Oct 2025

Lyne17 trips - Joined Apr 2023Superhost

We had a very good experience and would recommend this RV to any family. The RV is fully stocked with everything you need other than your personal items. It was very clean and as described.

Chuck B. - Sep 2025

Luc & Lynn provided amazing service. The RV was very clean and well equipped.

Lynda H. - Jul 2025

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RV Rentals Oastler Lake Provincial Park

Oastler Lake Provincial Park, ON, Canada

How to get to Oastler Lake Provincial Park

Oastler Lake Provincial Park is located 7 kilometres southeast of Parry Sound, accessible via Highway 400 with a 5-minute drive east on Oastler Park Drive from the highway exit. From Toronto, the park is approximately 2.5 hours north via Highway 400, making it convenient for regional travelers. The nearest major airport is Toronto Pearson International, about 2.5 hours driving time. Railway tracks near the park are used frequently, and RVs are limited to a maximum of 35 feet in length.

RVezy vs. Traditional RV rental

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  • Book directly from local RV owners
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Traditional RV rental

  • Limited fleet from a rental company
  • Exact RV not guaranteed
  • Pickup only at retail locations
  • Fewer RV types and less availability