Cowboy Campground at Legacy Park
Campground
3960 ID-21, Idaho City, ID 83631
Guide to the unofficial Hot Springs Campground in Idaho. Find directions, access notes, and safety tips for soaking in the natural hot springs.
Location
Tucked along the winding corridor of the South Fork Payette River in the heart of Boise National Forest, Hot Springs Campground is the kind of place that rewards those who know where to look. This unofficial thermal soaking spot pairs the elemental pleasure of geothermal hot springs with a river canyon setting that shifts beautifully with every season — snowcapped and silent in winter, lush and buzzing with life in summer, ablaze with color come autumn. Whether you're rolling in from Boise for a weekend escape or passing through Banks on a longer adventure, this is a stop worth building your itinerary around.
The South Fork Payette River carves through a rugged canyon lined with ponderosa pine, rocky outcroppings, and the kind of raw Idaho scenery that makes you feel genuinely far from anywhere. The hot springs sit in close proximity to the campground — close enough that you won't need to break a sweat getting there — yet the natural surroundings give the area a sense of quiet wildness. In spring, wildflowers push up through the riverbank grasses and the air smells of pine and cold water. By autumn, the canyon walls shift into warm golds and russets, making every soak feel like sitting inside a painting. Wildlife is part of the backdrop here; keep your eyes open and you may spot deer, raptors, or smaller forest creatures going about their routines near the water's edge.
The draw, of course, is the geothermal water itself. The thermal pools here offer the deep, bone-warming comfort that only naturally heated mineral water can deliver, making them especially compelling during cooler months when steam rises off the surface and the contrast between hot water and cold mountain air feels almost theatrical. In summer, you can slip between the warmth of the springs and the brisk, clear flow of the nearby South Fork Payette River — a combination that locals and return visitors swear by. The hot springs are informal and unofficial in character, meaning you won't find manicured concrete tubs or posted attendants, but that's precisely part of the appeal. The experience feels earned and authentic. The access is genuinely easy — a short, flat walk from the campground — making it accessible to families, older visitors, and anyone not looking for a backcountry ordeal.
Hot Springs Campground is located within Boise National Forest, with the nearby towns of Boise and Banks serving as your best options for fuel, groceries, and supplies before you head in. Camping at the campground carries a fee, though soaking in the hot springs themselves is free. The campground offers full facilities, which takes some of the logistical pressure off a multi-night stay. Summer brings family-friendly conditions and all facilities in operation, while winter soaks under falling snow offer a more atmospheric and solitary experience. Spring wildflowers and autumn foliage each make a compelling seasonal case of their own. Come prepared, respect the natural setting, and leave it as you found it — the informal nature of this gem depends on the goodwill of everyone who visits.
Driving Directions to Hot Springs Campground, Idaho
Starting Point: Boise, ID
Begin your journey in Boise, Idaho. Head north on State Route 55 (also known as the Payette River Scenic Byway). Travel approximately 35 miles to the town of Banks. Along the way, you’ll follow the beautiful Payette River, which makes for a scenic drive.
Turn onto Banks-Lowman Road (Highway 17):
Upon reaching Banks, turn right (east) onto the Banks-Lowman Highway, also known as Highway 17. This road is well-marked and will take you deeper into the mountains.
Drive to the Campground:
Continue on the Banks-Lowman Highway for approximately 17 miles. Keep an eye out for signs indicating the Hot Springs Campground. The campground will be on your left-hand side, just off the highway. Look for clear signage marking the entrance.
Parking and Access to the Hot Springs:
Once you arrive at the Hot Springs Campground, park in the designated parking area. Parking is typically available near the campground entrance. From there, the hot springs are just a short walk away. Follow the well-marked trail leading from the campground to the hot springs. The path is easy to navigate and suitable for most visitors.
Helpful Tips: - The drive from Boise to the campground takes approximately 1 hour and 15 minutes, depending on traffic and weather conditions. - Be cautious of wildlife and winding roads as you approach the campground. - Bring appropriate footwear for the short walk to the hot springs, as the trail may be uneven in some areas. - Restrooms and basic amenities are available at the campground, but it’s a good idea to bring water and any supplies you may need for your visit.
Enjoy your visit to the Hot Springs Campground and the relaxing natural hot springs!
The hot springs are unofficial and not a developed commercial facility. Access to soak is free; a fee is required only for overnight camping at the adjacent campground. The site is remote with basic amenities at the campground only. Always check current conditions before visiting.
Parking is typically available near the main access point; arrive early on weekends and avoid blocking gates or driveways. The approach follows established paths - expect uneven terrain and occasional slick rock near the waterline.
A day-use fee or pass may be required. Check current pricing at the entrance or official sites. This location is commonly accessed via public lands or established easements; stay on designated routes and follow posted rules.
Water levels and clarity shift with season and recent weather. After storms or snowmelt, expect stronger currents and colder water - choose calm pockets and wade carefully.
Bring sturdy water shoes to protect your feet on rocks and slippery surfaces. A waterproof dry bag keeps your phone, keys, and valuables safe. Pack a quick-dry towel, sun protection, and drinking water - never drink from the natural water source.
Public map data to help plan parking, services, and backup options before you drive.
Checked 2026-06-15
Campground
3960 ID-21, Idaho City, ID 83631
Campground
Boise National Forest, Forest Rd 347A, Boise, ID 83716
Campground
Idaho
Parking
Idaho is a northwestern U.S. state known for mountainous landscapes, and vast swaths of protected wilderness and outdoor recreation areas. The capital, Boise, is set in the Rocky Mountain foothills and is bisected by the Boise River, which is popular for rafting and fishing. The city’s riverfront Julia Davis Park is a downtown green space containing a rose garden, museums and a zoo.
Checking nearby USGS water conditions…
Hot Springs Campground may require a fee or pass. Reported fee: Fee to camp, none for hot springs. Fees and hours change seasonally - verify current pricing with the managing agency before your visit.
Yes, Hot Springs Campground is an officially sanctioned recreation area where swimming is permitted. Reported activities include: Hot tubbing. Always respect posted closures and seasonal restrictions.
Hot Springs Campground is a hot spring on Hot Spring/South Fork Payette River located in Idaho, near Boise. Guide to the unofficial Hot Springs Campground in Idaho. Find directions, access notes, and safety tips for soaking in the natural hot springs.
The best time to visit Hot Springs Campground is Summer for family-friendly fun and operational facilities, winter for a snowy soak, and autumn for stunning foliage. Spring is ideal for wildflowers and tranquil exploration. Water levels, clarity, and temperature vary with recent weather - always check conditions before going, especially after rain or snowmelt.
Reported facilities at Hot Springs Campground include: Restrooms, picnic tables, and camping sites are available, offering convenience without disrupting the natural setting. Amenities can change - contact the managing agency or check recent visitor reports to confirm current availability.
Campground near site
Historically significant as a gathering spot for indigenous peoples and locals, with a timeless quality that connects visitors to nature’s healing power.
Capture misty mornings at the springs, sunset-lit forests, and the juxtaposition of steaming hot springs against the rushing river.
Practice Leave No Trace principles: pack out all trash, avoid using soaps in the springs, and stay on designated trails to protect the ecosystem.
Browse every listed natural swimming spot in Idaho.
Compare nearby options around Boise before you choose a route.
Find similar hot springs destinations across the directory.
See under-the-radar places and local favorites in the same state.
Compare easier-access destinations and safer planning options.
Use this safety guide before entering any natural water.
Campground near site
Loading weather data…
Safety & Responsibility
Share this swimming hole
Joshua Havens created Hidden Swimming Holes to make it easier for people to find — and safely visit — natural freshwater swimming destinations across the United States. He researches access conditions, water quality resources, and land management rules so you don't have to start from scratch. He holds a strong belief that good outdoor recreation information should be accurate, honest about its limitations, and freely available.
Discover other amazing natural swimming destinations across America