Can You Swim in Rice Lake? What the Water’s Really Like at a Lakefront Cottage

Yes—you can swim in Rice Lake, and from mid-June through early September the water is genuinely warm. Rice Lake is a shallow, warm Kawarthas lake, which means comfortable swimming temperatures earlier and later than the deep, cold lakes further north. The honest full answer has a bit more texture to it—where you swim matters—so here’s what the water is actually like, from a cottage that sits right on it.

The Short Version

• Swimmable? Yes. Warm by mid-June, warmest late July through August, comfortable into early September.
• Best swimming: maintained swim areas with sandy, gradual entry—like the resort beach at Bellmere Winds, where Mildred’s guests swim.
• The catch: Rice Lake is a naturally weedy lake. Along undeveloped stretches of shoreline, you’ll find the aquatic plants the lake is famous for (it’s named for the wild rice beds that once covered it). Maintained beaches are a different experience entirely.
• Backup plan: the resort’s heated saltwater pool and splash pad, a short walk from the cottage.

Why Rice Lake Swims Warmer Than Most of Cottage Country

Rice Lake is long—about 32 km—but shallow for most of its area, averaging only about 3 metres (9 feet) deep with a maximum around 8–10 metres. Shallow water heats up fast. While the deep Muskoka and Haliburton lakes are still bracing in June, Rice Lake is already comfortable, and by late July it can feel closer to bathwater at the shallow edges. That’s the trade Kawartha lakes make: you give up the cold, clear, deep-lake feel and get a long, warm swimming season instead.

The same shallowness is why the lake grows weeds. Sunlight reaches the bottom across huge areas, so aquatic plants thrive—the wild rice beds that gave the lake its name, plus the milfoil and pondweed that make it one of Ontario’s best bass and walleye fisheries. Great for fish. Less great if you wade in off a random natural shoreline in August expecting open sand.

Where You Actually Swim

The practical answer for anyone staying at a cottage: you swim where the shoreline is maintained. At Bellmere Winds, the resort keeps a sandy beach with a gradual, shallow entry—the bottom near shore is mostly sand, the swim area stays clear, and it’s shallow enough that kids can stand and play well out from the waterline. The beach and the multi-slip dock are steps from Mildred’s Lakefront Resort Cottage, and many guests swim right off the dock in the deeper water.

A few practical notes from the water:

• Water shoes help for kids with sensitive feet—sand near shore, but the odd pebble and shell happens on any natural lake bottom.
• Mornings are glass. The lake is usually calmest before mid-morning—the nicest swim of the day, before boat traffic picks up.
• Stay inside the swim area with kids. Rice Lake is a busy boating lake in July and August; the designated area keeps swimmers and boats separated.
• Late-summer honesty: like most warm, shallow Ontario lakes, water clarity dips in August compared to early July. It’s still swimmable and busy every warm day—it’s just a warm lake, not a spring-fed quarry.

Where Are the Beaches on Rice Lake?

Rice Lake doesn’t have big public beach strips the way Lake Ontario towns do—it’s a cottage lake, so most swimming happens off docks and resort waterfronts. There are a few public access points people ask about:

• Harwood Waterfront & Dock (south shore) — a small sand beach with a picnic shelter and an accessible dock; the closest thing to a public beach on the lake.
• Gores Landing (south shore) — a popular local swimming spot; unmonitored, so supervision is on you.
• Bewdley (west end) — the lakefront park area at the lake’s western tip, another long-standing local swim spot.

The practical note: they’re modest, local-scale beaches. Most Rice Lake swimming happens at cottages and resorts—which is exactly why a maintained sandy swim area steps from your door is worth booking for. That’s the setup at the Bellmere Winds beach where Mildred’s guests swim.

The Pool Option (Because Some Days You Want It)

One genuine advantage of a resort cottage over a private rental: when the lake is choppy, the day is cool, or the kids just want a change, the heated saltwater pool and splash pad are a short walk from Mildred’s front door. Saltwater systems are gentler on eyes than chlorine, the pool is maintained daily, and it stretches the swimming season at both ends. Families staying a week typically end up alternating—lake in the morning, pool in the afternoon. It’s one of the reasons the resort setting works even for groups who came for the lake.

Swimming Season, Month by Month

• May: too cold for most—the lake is open but brisk. Pool weather (it’s heated).
• June: warms fast; comfortable swimming by mid-month most years.
• July: prime. Warm water, long days, busiest boat traffic.
• August: warmest water of the year; clarity dips a little, weeds peak along natural shorelines—the maintained beach stays the place to be.
• September: the sleeper. Water holds summer warmth into early September, the lake goes quiet, and the swimming is often the most pleasant of the season.

FAQ — Swimming in Rice Lake

Is Rice Lake clean enough to swim in?

Yes—Rice Lake is swum all summer long from cottages, resorts, and camps around its shoreline. It’s a warm, nutrient-rich lake, so it’s not northern-Ontario clear, and clarity dips in late summer—but the maintained swim areas like the Bellmere Winds beach are sandy, shallow, and busy with swimmers every warm day. As with any Ontario lake, if a local advisory is ever posted, the resort follows it.

How warm does Rice Lake get?

Because it’s shallow, Rice Lake is one of the warmer swimming lakes in southern Ontario. It’s comfortable by mid-June and peaks in late July and August, when the shallows can feel bath-warm. The water holds its warmth into early September.

Is Rice Lake weedy?

Naturally, yes—it’s a shallow lake named for its historic wild rice beds, and aquatic plants are why the fishing is so good. But that’s along natural, undeveloped shoreline. Maintained swim areas—like the resort beach at Bellmere Winds—have a sandy bottom and clear entry. Where you swim makes all the difference.

Is the swimming at Bellmere Winds good for young kids?

Yes—this is one of the property’s strengths. The beach has a gradual, sandy, shallow entry where kids can stand and play, plus a splash pad and a heated saltwater pool a short walk away. Guests at Mildred’s use all three, often in the same day.

How deep is Rice Lake?

Shallow—and that’s the secret to its warm water. Rice Lake averages only about 3 metres (9 feet) deep, with a maximum depth around 8–10 metres (27 feet). That shallow profile is why the lake warms early, stays warm through September, and grows the weed beds that feed one of Ontario’s best fisheries.

Is Rice Lake a good lake?

For a cottage vacation, yes—with the right expectations. It’s one of Ontario’s top bass and walleye fisheries, one of its warmest swimmable lakes, and it’s quieter and closer to Toronto than Muskoka. What it isn’t is a deep, crystal-clear Shield lake—Rice Lake is a warm, lively, family-friendly one, best enjoyed from a sandy maintained beach or a boat.

Does Rice Lake have a public beach?

A few small ones. Harwood’s waterfront has a small sand beach with a picnic shelter, Gores Landing has a popular (unmonitored) swimming spot, and Bewdley has a lakefront park at the west end. They’re modest, local-scale beaches—most Rice Lake swimming happens at cottages and resorts with their own swim areas.

Is Rice Lake man-made?

No—Rice Lake is a natural lake, though its water level was raised in the 19th century by the dam at Hastings, built as part of the Trent-Severn Waterway. The higher water drowned most of the wild-rice beds the lake was originally named for.

---

So: can you swim in Rice Lake? All summer, and comfortably. Pick a maintained beach, keep kids in the swim area, and take the calm morning water when you can get it. If you want the lake, the pool, and the splash pad within a two-minute walk of your door, that’s exactly the setup at Mildred’s—check availability on the booking page.

Planning the rest of the trip? The 3-day Rice Lake itinerary covers the off-water highlights, and the fishing and boating guide covers everything happening under the surface.

---