| 1000 Springs Resort | Magic Valley | Big Resorts & Iconic Pools | RV sites, tent sites, two cabins | Yes | — | — | Mixed |
| Atlanta Hot Springs | Middle Fork Boise & Idaho City | Wild Natural Springs | No | No | Free | 100–110 °F | — |
| Banbury Hot Springs | Magic Valley | Big Resorts & Iconic Pools | RV park and tent camping | Yes | — | 89–102 °F | Mixed |
| Barney Warm Springs | Upper Salmon River | Wild Natural Springs | No | No | Free | 82–83 °F | — |
| Baumgartner Hot Springs | South Fork Boise & Fairfield | Wild Natural Springs | No | No | Free | 101–110 °F | Required |
| Bear River Hot Springs | Southeast Idaho | Big Resorts & Iconic Pools | Hotel rooms, cabins, condo, RV and tent campground | Yes | — | 85–105 °F | Required |
| Bear Valley Hot Springs | Stanley & Sawtooth Valley | Wild Natural Springs | No | No | Free | — | — |
| Boat Box Hot Spring | Stanley & Sawtooth Valley | Wild Natural Springs | No | No | Free | — | — |
| Boiling Springs | Payette River | Wild Natural Springs | Historic guard-station cabins (reservation) | No | Free | — | Required |
| Bonneville Hot Springs | Payette River | Wild Natural Springs | No | No | Free | 104 °F | Required |
| Bronco Billy Hot Springs | Payette River | Wild Natural Springs | No | No | Free | — | — |
| Browns Creek Hot Springs | Middle Fork Boise & Idaho City | Wild Natural Springs | No | No | Free | 98–102 °F | — |
| Burgdorf Hot Springs | West Central Mountains | Historic Spas & Vapor Caves | Off-grid log cabins (no power or running water) | Yes | Adults $20, children and seniors $15 | 96–113 °F | — |
| Cable Car Hot Springs | North Central Idaho | Wild Natural Springs | No | No | Free | — | — |
| Campground Hot Springs | Payette River | Wild Natural Springs | No | No | Free | 110 °F | — |
| Challis Hot Springs | Upper Salmon River | Town & Family Pools | State park campground, tent and RV sites on the Salmon River | Yes | — | 96–105 °F | Required |
| Chattanooga Hot Springs | Middle Fork Boise & Idaho City | Wild Natural Springs | No | No | Free | 100–110 °F | Optional |
| Council Mountain Hot Springs | West Central Mountains | Wild Natural Springs | No | No | Free | 96–98 °F | — |
| Cove Creek Hot Springs | Stanley & Sawtooth Valley | Wild Natural Springs | No | No | Free | 107 °F | — |
| Cronk's Canyon Hot Springs | Upper Salmon River | Wild Natural Springs | No | No | Free | 100 °F | — |
| Dagger Creek Hot Springs | Stanley & Sawtooth Valley | Wild Natural Springs | No | No | Free | 100–104 °F | — |
| Downata Hot Springs Resort | Southeast Idaho | Big Resorts & Iconic Pools | Cabins, yurts, conestoga wagons, teepee, RV and tent sites | Yes | Hot pools $10/$12 per person all ages, under 2 $3; winter recreation pool $5/$8 | 99–102 °F | Required |
| Durfee Hot Springs | Magic Valley | Town & Family Pools | No | Yes | Ages 15 and up $10, ages 4-14 and 65+ $8, ages 3 and under free | 104 °F | — |
| Dutch Frank Hot Springs | Middle Fork Boise & Idaho City | Wild Natural Springs | No | No | Free | — | — |
| Easley Hot Springs | Wood River Valley | Town & Family Pools | No | Yes | Ages 12-59 $14, ages 3-12 and 60+ $12, ages 2 and under free | 85–98 °F | — |
| Elk Flats Hot Springs | South Fork Boise & Fairfield | Wild Natural Springs | No | No | Free | — | — |
| Epic Hot Springs at North Beach | Southeast Idaho | Town & Family Pools | Seasonal campground | Yes | — | 95–103 °F | Required |
| Fire Crew Hot Springs | Payette River | Wild Natural Springs | No | No | Free | — | — |
| Frenchman's Bend Hot Springs | Wood River Valley | Wild Natural Springs | No | No | Free | — | Required |
| Givens Hot Springs | Southwest Idaho | Town & Family Pools | Tent sites, RV hookups, rental trailers, a cabin | Yes | Adults 13-59 $12, ages 3-12 and 60-90 $6, under 3 and 90+ free | — | Required |
| Gold Fork Hot Springs | West Central Mountains | Town & Family Pools | No | Yes | $15 per person, all ages, cash only | 85–110 °F | Required |
| Goldbug Hot Springs | Upper Salmon River | Wild Natural Springs | No | No | Free | 100–113 °F | Optional |
| Granite Creek Hot Springs | Middle Fork Boise & Idaho City | Wild Natural Springs | No | No | Free | — | — |
| Green Canyon Hot Springs | Southeast Idaho | Town & Family Pools | Campground (RV, tent, group sites) | Yes | — | 96–105 °F | Mixed |
| Haven Hot Springs | Payette River | Cabins, Ranches & Private Rentals | Motel rooms with private tubs, RV, glamping, tent | Yes | Pool $20/hour for 1-2 people, $10 each additional person | 85–104 °F | — |
| Heise Hot Springs | Southeast Idaho | Big Resorts & Iconic Pools | RV park and campground | Yes | Adults $23, ages under 12 $10, ages 2 and under free | 96–104 °F | Required |
| Home Hotel Lava Hot Springs | Southeast Idaho | Historic Spas & Vapor Caves | Historic 1918 hotel, in-room geothermal tubs | No | — | — | — |
| Horse Creek Hot Springs | Upper Salmon River | Wild Natural Springs | No | No | Free | — | — |
| Hot Springs Landing | South Fork Boise & Fairfield | Wild Natural Springs | No | No | Free | — | — |
| Idaho Rocky Mountain Ranch | Stanley & Sawtooth Valley | Cabins, Ranches & Private Rentals | Cabins and lodge rooms | No | — | — | — |
| Indian Springs Resort and RV Park | Southeast Idaho | Big Resorts & Iconic Pools | RV park and tent sites (125+ sites) | Yes | — | 90–92 °F | Required |
| Jerry Johnson Hot Springs | North Central Idaho | Wild Natural Springs | No | No | Free | 95–104 °F | Optional |
| Kirkham Hot Springs | Payette River | Wild Natural Springs | No | No | Day-use parking $5 per vehicle | 95–110 °F | — |
| Lava Hot Springs Inn and Spa | Southeast Idaho | Historic Spas & Vapor Caves | Historic inn, suites and cabins | Yes | Day pass $15 all ages, under 2 $2; all-day private pool rental $65 per person (up to six) | 94–107 °F | — |
| Lava Hot Springs World Famous Hot Pools | Southeast Idaho | Town & Family Pools | No | Yes | Ages 12-59 $8/$12, ages 3-11 and 60+ $7.50/$10, ages 2 and under $3 | 102–112 °F | Required |
| Lightfoot Hot Springs | South Fork Boise & Fairfield | Wild Natural Springs | No | No | Free | — | — |
| Loftus Hot Springs | Middle Fork Boise & Idaho City | Wild Natural Springs | No | No | Free | 100–102 °F | — |
| Lower Bowery Hot Springs | Upper Salmon River | Wild Natural Springs | No | No | Free | — | — |
| Lower Indian Bathtub Hot Springs | Southwest Idaho | Wild Natural Springs | No | No | Free | 102 °F | Optional |
| Maple Grove Hot Springs | Southeast Idaho | Wellness Retreats & Eco Lodges | Yurts, cabins, canvas structures, tent and van camping | Yes | — | 95–112 °F | — |
| Miracle Hot Springs | Magic Valley | Big Resorts & Iconic Pools | Geodesic domes, park home, campsites | Yes | General admission from $14/person; private pool from $10, VIP private from $25, cold plunge $40 (each requires admission); 10-visit $135 adult, $55 senior | 96–106 °F | — |
| Molly's Hot Springs | West Central Mountains | Wild Natural Springs | No | No | Free | — | Optional |
| Moondipper Hot Springs | Payette River | Wild Natural Springs | No | No | Free | 106–110 °F | Optional |
| Mormon Bend Hot Springs | Stanley & Sawtooth Valley | Wild Natural Springs | No | No | Free | — | Optional |
| Mountain Village Resort Hot Springs | Stanley & Sawtooth Valley | Cabins, Ranches & Private Rentals | Lodge rooms | Yes | Osprey free for lodge guests, $30 for two non-guests; Bluebird and Sandhill Crane private $50 for two, $5 each additional | 100 °F | Required |
| Mundo Hot Springs | West Central Mountains | Cabins, Ranches & Private Rentals | RV park, tent sites, cabin with private tub, pool house | Yes | Adults $10, seniors/military and kids 6-13 $8, kids 2-5 $5, under 2 free | — | — |
| Nat-Soo-Pah Hot Springs | Magic Valley | Town & Family Pools | Campground (75 sites, 29 full hookups) | Yes | — | 92–106 °F | Required |
| Ninemeyer Hot Springs | Middle Fork Boise & Idaho City | Wild Natural Springs | No | No | Free | — | — |
| Owl Creek Hot Springs | Upper Salmon River | Wild Natural Springs | No | No | Free | 104–110 °F | — |
| Panther Hot Springs | Upper Salmon River | Wild Natural Springs | No | No | Free | — | — |
| Pete Creek Hot Springs | Middle Fork Boise & Idaho City | Wild Natural Springs | No | No | Free | — | — |
| Phifer Warm Springs | Middle Fork Boise & Idaho City | Wild Natural Springs | No | No | Free | 84 °F | — |
| Pine Burl Hot Springs | Payette River | Wild Natural Springs | No | No | Free | 106–110 °F | Optional |
| Pine Flats Hot Springs | Payette River | Wild Natural Springs | No | No | Free | 107 °F | — |
| Preis Hot Springs | South Fork Boise & Fairfield | Wild Natural Springs | No | No | Free | 102 °F | — |
| Prince Albert Hot Springs | Southwest Idaho | Wild Natural Springs | No | No | Free | 100–104 °F | Optional |
| Red River Hot Springs | North Central Idaho | Cabins, Ranches & Private Rentals | Lodge rooms, cabins, RV and tent camping | Yes | Adults $20, seniors and veterans $17, children under 12 $15 | — | Required |
| Riggins Hot Springs | North Central Idaho | Cabins, Ranches & Private Rentals | Lodge and cabin | No | — | — | Required |
| Riverside Hot Springs Inn and Spa | Southeast Idaho | Historic Spas & Vapor Caves | Adults-only boutique hotel | No | — | 101–105 °F | Mixed |
| Rocky Canyon Hot Springs | Payette River | Wild Natural Springs | No | No | Free | 105–115 °F | — |
| Roystone Hot Springs | Southwest Idaho | Wellness Retreats & Eco Lodges | RV sites, tent camping, guest house, event center | Yes | — | 95–104 °F | Required |
| Russian John Warm Spring | Wood River Valley | Wild Natural Springs | No | No | Free | 86 °F | Optional |
| Sacajawea Hot Springs | Payette River | Wild Natural Springs | No | No | Free | 96–102 °F | — |
| Sawtooth Lodge | Payette River | Cabins, Ranches & Private Rentals | Cabins, yurts, RV and tent sites | No | — | — | — |
| Secesh Hot Springs | West Central Mountains | Wild Natural Springs | No | No | Free | — | — |
| Sharkey Hot Springs | Upper Salmon River | Wild Natural Springs | No | No | Free | 103 °F | Required |
| Sheep Creek Bridge Hot Springs | Middle Fork Boise & Idaho City | Wild Natural Springs | No | No | Free | 98 °F | — |
| Silver Creek Plunge | Payette River | Cabins, Ranches & Private Rentals | A-frames, family cabins, deluxe units, tent/RV sites | Yes | Adults 13-59 $15, ages 2-12 $12, seniors 60+ $10, under 2 free; evening swim $10 | 97–100 °F | Required |
| Skillern Hot Springs | South Fork Boise & Fairfield | Wild Natural Springs | No | No | Free | — | — |
| Slate Creek Hot Springs | Stanley & Sawtooth Valley | Wild Natural Springs | No | No | Free | — | — |
| Smith's Cabin Hot Springs | Middle Fork Boise & Idaho City | Wild Natural Springs | No | No | Free | — | — |
| Snake Pit Hot Springs | Stanley & Sawtooth Valley | Wild Natural Springs | No | No | Free | 97–105 °F | Required |
| Stanley Hot Springs | North Central Idaho | Wild Natural Springs | No | No | Free | 106 °F | — |
| Starkey Hot Springs | West Central Mountains | Town & Family Pools | No | Yes | — | — | — |
| Sunbeam Hot Springs | Stanley & Sawtooth Valley | Wild Natural Springs | No | No | Free | — | — |
| Terrace Lakes Resort | Payette River | Big Resorts & Iconic Pools | Resort lodging and RV, golf course | Yes | Ages 12-59 $15, ages 2-11 $12, seniors 60+ $10, ages 0-1 free; monthly pass $200 (up to six) | — | Required |
| The Lava Hotel and Spa | Southeast Idaho | Wellness Retreats & Eco Lodges | Hotel and vacation rentals with conference center | No | — | — | — |
| The Springs | Middle Fork Boise & Idaho City | Wellness Retreats & Eco Lodges | No | Yes | Adults $30, children $27 (2.5-hour soak session); private tubs $70/hour for two, additional adult $5 | — | — |
| Tibb's Family Hot Springs | West Central Mountains | Cabins, Ranches & Private Rentals | Five vacation rentals (estate, lodge, apartments, cottage) | No | — | 85–104 °F | — |
| Trail Creek Hot Springs | West Central Mountains | Wild Natural Springs | No | No | Free | — | — |
| Trinity Hot Springs | South Fork Boise & Fairfield | Wellness Retreats & Eco Lodges | Lodge rooms, cabins, glamping, RV sites | Yes | Adults 18+ $15 per 2-hour session, youth 5-17 $10, children 0-4 $5 | 90–108 °F | Required |
| Twin Springs Resort | Middle Fork Boise & Idaho City | Cabins, Ranches & Private Rentals | Riverside cabins, gatehouse, rockhouse | No | — | — | — |
| Weir Creek Hot Springs | North Central Idaho | Wild Natural Springs | No | No | Free | 100–105 °F | Optional |
| West Pass Hot Springs | Upper Salmon River | Wild Natural Springs | No | No | Free | — | — |
| Wild Rose Hot Springs | Wood River Valley | Wild Natural Springs | No | No | Free | 100 °F | — |
| Willow Creek Hot Springs | South Fork Boise & Fairfield | Wild Natural Springs | No | No | Free | — | — |
| Worswick Hot Springs | South Fork Boise & Fairfield | Wild Natural Springs | No | No | Free | — | — |
| Zims Hot Springs | West Central Mountains | Town & Family Pools | RV park (12 sites) and campground | Yes | — | 90–105 °F | Required |