Summer in Idaho: Lakes, Trails, Golf & Warm-Weather Vacations

Idaho's summer, in brief

Idaho's summer is, in many ways, the direct counterpart to its winter: the same resort towns and even many of the same mountains that draw skiers from December through March pivot to lakes, golf courses, mountain biking trails, and river recreation once the snow melts. This dual-season structure is common across Idaho's resort geography. A base area built around a chairlift in January often reopens that same lift in July to carry hikers and mountain bikers instead of skiers, and a resort's winter ski shop frequently becomes a summer rental outfit for kayaks, paddleboards, and bikes. For visitors, that means Idaho's resort towns tend to be genuinely functional destinations for roughly eight or nine months of the year, not just a few winter weeks.

Idaho's summer identity is also shaped heavily by water. The state holds a large number of glacially carved and dam-formed lakes, several major whitewater river systems, and a climate that, away from the immediate valley floors, tends to be pleasantly warm and dry rather than oppressively hot.

That dual-season pattern also shapes pricing and crowd levels. Because Idaho's summer is less universally associated with the state than its winter, and because the resort towns themselves are smaller than major Western summer destinations, visitors often find more availability and lower costs for lodging and activities than they would at comparably scenic spots in Colorado, Montana, or the Pacific Northwest. That is not a promise of empty trails or lakes; McCall, Sandpoint, and Coeur d'Alene all see real summer crowds, particularly around holiday weekends, but the overall pace tends to be calmer than at the largest national-park-adjacent destinations.

Lakes & beaches

Idaho's lakes are central to its summer appeal. Lake Pend Oreille, in the north near Sandpoint, is the state's largest and deepest lake, plunging to depths that have made it useful for U.S. Navy submarine acoustic testing, and it supports boating, sailing, and fishing for kokanee salmon and lake trout, also known locally as Mackinaw. Priest Lake, further north and more remote, is prized for clearer water and a quieter, more forested shoreline. Lake Coeur d'Alene, anchoring the resort town of the same name, combines a developed waterfront with miles of undeveloped shoreline accessible mainly by boat.

Farther south and inland, Payette Lake at McCall and Lake Cascade near Donnelly and Tamarack both offer swimming, boating, and fishing against a mountain backdrop, with Cascade in particular known for kokanee fishing. In the Sawtooth Mountains, Redfish Lake sits beneath dramatic granite peaks and is one of the more scenic alpine lakes accessible by a paved road, with a swimming beach, boat rentals, and trailheads into the surrounding wilderness.

What sets Idaho's lakes apart collectively is variety rather than any single standout: Pend Oreille and Coeur d'Alene are large enough to support serious boating and sailing communities with marinas and lakeside resorts, Priest Lake and Redfish Lake lean toward quieter, more scenic settings closer to wilderness, and Payette Lake and Lake Cascade sit close enough to McCall, Donnelly, and Tamarack that a lake day and a mountain-town day can easily happen within the same short trip. Water temperatures even in mid-summer tend to stay cool by national standards, since most of these lakes are fed by snowmelt, so visitors accustomed to warmer Southern or coastal lakes should expect a brisker swim.

Golf, biking & mountain summers

Several of Idaho's resorts maintain golf courses that rank among their signature summer attractions. The Coeur d'Alene Resort's golf course is best known for its floating green, a par-3 green mounted on a movable pontoon system in the lake, widely considered one of the more distinctive holes in American golf. Osprey Meadows at Tamarack, the Headwaters course at Teton Springs near Victor, and the Whitetail Club course at Shore Lodge in McCall are all resort courses built to take advantage of mountain and lake views, and StoneRidge, near Cascade, rounds out the state's resort golf options with a course set among ponderosa pine forest.

Mountain biking has become one of the fastest-growing summer draws at Idaho's ski resorts. Schweitzer, Silver Mountain, Brundage, and Tamarack all run lift-served or gondola-served bike parks in summer, moving riders and bikes uphill so they can descend on purpose-built trails. Those same lifts and gondolas also carry non-biking visitors for scenic rides and access to alpine hiking trails, making them useful even for travelers with no interest in mountain biking itself.

Hiking is available at essentially every resort and lake town in the state, ranging from short interpretive loops near base areas to serious backcountry routes into the Sawtooth, Selkirk, and Bitterroot ranges. Because so many Idaho resorts sit at the edge of large tracts of public land, national forest, wilderness area, or state land, it is common to walk out of a resort village directly onto a trailhead rather than needing to drive to a separate trail access point, which is a meaningful convenience for visitors without a rental vehicle suited to rough forest roads.

Rivers, hot springs & huckleberries

Idaho is one of the country's premier whitewater rafting states, with the Salmon, Lochsa, Selway, and Payette rivers all offering runs ranging from mellow floats to serious whitewater, supported by an established network of outfitters. The Salmon River in particular is nicknamed the River of No Return, a reflection of its remote, roadless canyon stretches.

Natural hot springs are scattered through central Idaho's mountains, with a notable concentration near Stanley and in the mountains around McCall, ranging from developed pools to primitive soaking spots reached by hiking. Late summer also brings huckleberry season, typically running from July into August, when the small wild berries ripen across the Panhandle and north-central Idaho's forests; Priest Lake is one of the areas most closely associated with huckleberry picking and the local foods built around them.

Beyond any single activity, Idaho's summer is also a season for scenic driving and small-town exploring, connecting resort towns like McCall, Sandpoint, Coeur d'Alene, Stanley, and Ketchum along mountain byways.

Idaho's designated scenic byways link many of these towns and rivers directly, and driving even a portion of one is a reasonable way to experience the state's range of summer landscape, from farmland and high desert to river canyons and alpine peaks, without committing to a single activity-focused itinerary. Stanley in particular functions as a hub for river access, hot springs, and Sawtooth trailheads, despite being one of the smaller and more remote of Idaho's resort-adjacent towns, and it is worth building extra drive time into a summer trip that includes it, since the surrounding roads are scenic but slower than a direct interstate route.

When to go & planning

Idaho's summer season generally runs from June through September, with July and August as the warmest and busiest months and the most reliable window for high-elevation trails, which can hold snow into early summer some years. June offers full waterfalls and green landscapes but cooler, less predictable weather at elevation; September often brings warm days, cool nights, and thinner crowds.

One realistic caveat worth planning around: like much of the interior West, Idaho can experience wildfire smoke in late summer during dry years, which occasionally affects air quality and mountain views, particularly in August. It is worth checking conditions close to a trip if smoke is a concern. Getting around the state generally requires a car, since its lakes, resorts, and trailheads are dispersed across mountainous terrain not well served by public transit.

As with a winter visit, choosing a region rather than attempting to see the whole state in one trip generally produces a better experience. A north Idaho itinerary built around Sandpoint and Coeur d'Alene, a central Idaho itinerary built around McCall, Cascade, and Stanley, or a south-central itinerary built around Ketchum and Sun Valley each offer a full week or more of lakes, trails, golf, and river access without extensive driving between them, whereas trying to combine all three regions typically means spending a disproportionate share of the trip in the car.

Frequently Asked Questions