CampsiteGROUP SHELTER NONELECTRIC✓ Reservable♿ Accessible

Site Three Sisters Group Site — Three Sisters Group Site (MT)

Three Sisters Group Site (MT) · Idaho · Loop Three Sisters Group Site

Campsite Three Sisters Group Site at Three Sisters Group Site (MT) in Idaho. GROUP SHELTER NONELECTRIC site. No utility hookups. Maximum 75 people per site. Reservable in advance on Recreation.gov.

← Back to Three Sisters Group Site (MT)
46.06433, -114.23212
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5-Day Forecast

Weather at Three Sisters Group Site (MT)

Live forecast for the campground. Use it to pack and plan.

Avg High75°F
Avg Low51°F
Peak Rain Chance1%
Humidity46%
UV (avg)5
Today
☁️
Overcast
68°/45°
💧 1%🌬 7mph
↑ 7:35 AM ↓ 7:16 PM
Fri
☁️
Overcast
75°/54°
🌬 8mph
↑ 7:36 AM ↓ 7:14 PM
Sat
☁️
Overcast
71°/49°
🌬 6mph
↑ 7:38 AM ↓ 7:12 PM
Sun
🌤
Mostly Clear
82°/50°
🌬 5mph
↑ 7:39 AM ↓ 7:10 PM
Mon
☁️
Overcast
79°/57°
🌬 9mph
↑ 7:40 AM ↓ 7:08 PM

Forecast data © Open-Meteo. Refreshed every 6 hours. Always check the most recent forecast before heading out.

👔 What to Wear

  • 👕
    Moisture-wicking T-shirt
    Light color, breathable.
  • 🩳
    Lightweight shorts or pants
    Quick-dry preferred — sweat dries fast.
  • 🧢
    Brimmed sun hat
    Better than a cap for back-of-neck protection.
  • 🥾
    Trail runners
    Breathable mesh uppers.

🎒 What to Pack

  • 💧
    Water
    Bring at least 1L of water; more in heat.
  • 🍫
    High-energy snacks
    A snack for the trail.
  • 🧴
    Sun protection
    Sunscreen, sunglasses, brimmed hat.
  • 🩹
    First-aid kit
    Blister patches, ibuprofen, tape, antiseptic wipes.
  • 🗺
    Offline map
    Download your route in advance via Gaia, Caltopo, or OSM-based apps.

Recommendations adapt to the current forecast + trail stats. Use them as a starting point — local conditions, your experience, and the time of day you start all matter.

Capacity & Rules

Max Num of People
75
Capacity/Size Rating
Group
Pets Allowed
Yes

Site Features

Shade
Yes
Campfire Allowed
Yes

Photos from Three Sisters Group Site (MT)

Recreation.gov photos of the campground. Specific site appearance may differ — these show the surrounding area and amenities.

Three Sisters Sign
Three Sisters Sign — Joe Butsick/Bitterroot National Forest
Three Sisters Group Site Sitting Area
Three Sisters Group Site Sitting Area — Joe Butsick/Bitterroot National Forest
Three Sisters SST
Three Sisters SST — Joe Butsick/Bitterroot National Forest
Three Sisters Group Site
Three Sisters Group Site — Joe Butsick/Bitterroot National Forest
View of the Pavillion facing West towards the dam.
View of the Pavillion facing West towards the dam. — Joe Butsick/Bitterroot National Forest
Inside of group shelter, with picnic tables
Inside of group shelter, with picnic tables — usfs
Looking West toward the dam.
Looking West toward the dam. — Joe Butsick/Bitterroot National Forest

Booking Tips for Site Three Sisters Group Site

  • Reservation window: Recreation.gov releases bookings up to 6 months ahead — popular sites go in minutes
  • Best time to book: 8am local time on the day the window opens
  • Cancellation: Recreation.gov refund policies apply — check before booking
  • Quiet hours: typically 10pm–6am in federal campgrounds
  • Check-in/out: 2:00 PM / 12:00 PM
  • Pets: allowed (keep on a 6ft leash, never leave unattended)
  • Leave No Trace: pack out all trash, including food scraps

Frequently Asked Questions

Can I reserve campsite Three Sisters Group Site?

Yes — this site is reservable via Recreation.gov. Reservations open up to 6 months in advance and popular sites go fast.

How many people can stay at site Three Sisters Group Site?

Maximum occupancy is 75 people.

What hookups does site Three Sisters Group Site have?

This is a dry site — no electric, water, or sewer hookups.

Are pets allowed at site Three Sisters Group Site?

Yes — pets are allowed. Keep on a 6 ft leash and follow campground rules; some areas require additional restrictions.

Is site Three Sisters Group Site ADA accessible?

Yes — this site is marked as ADA accessible. Check Recreation.gov for specific accessibility features.

What are the check-in / check-out times?

Check-in: 2:00 PM. Check-out: 12:00 PM.

Can I have a campfire at site Three Sisters Group Site?

Campfires are allowed when no fire restrictions are in effect. Check current conditions before arrival.