About Grayback Campground and Group sites - reserve
Grayback Campground is located 36 miles northeast of Boise, Idaho, just off scenic State Highway 21. Historic Idaho City is just two miles north of the campground. Visitors enjoy fishing in Mores Creek and exploring the Grayback Gulch Trail. Natural Features:The campground is situated on a hillside about a quarter-mile above State Highway 21, at an elevation of 4,200 feet. A ponderosa pine forest covers the site, offering partial shade. Wildlife and summer wildflowers are abundant in the area.Recreation:Mores Creek can be accessed just below the campground. Anglers fish for rainbow trout. Grayback Loop Trail begins within the site, offering a 1-mile footpath for hikers.Numerous trail opportunities are in the area just north of Idaho City, where hiking, biking, horseback riding and off-road vehicles can be enjoyed. During the winter, the area becomes a playground for back country skiers and snowmobiles.
How to Get There
From Boise, Idaho, take State Highway 21 north for 36 miles.The campground access road is located on the east side State Highway 21, between mileposts 36 and 37.Turn right and proceed less than a mile to the campground.
Driving directions (Google Maps) →What to Pack for Your Stay
Tuned to the live forecast for this park.
👔 What to Wear
- 👕
Long-sleeve shirt
Synthetic or merino, sun-protective.
- 🧥
Light shell or windbreaker
Even on warm days, wind can chill (avg wind 0 mph).
- 👖
Hiking pants or convertible
Layer for variable conditions.
- 🥾
Trail runners or low boots
Comfortable, broken in.
🎒 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.
Plan Your Visit to Grayback Campground and Group sites - reserve
Heading to Grayback Campground and Group sites - reserve? A few things to know before you go:
- Reservations: popular sites fill up fast — check Recreation.gov 6 months in advance
- Fees: day-use and camping fees vary; check current rates on the official park page
- Trash & pack-out: follow Leave No Trace principles
- Wildlife: store food in bear boxes where provided; never feed wildlife
- Weather: the 5-day forecast above is updated every 6 hours; verify just before you go
Frequently Asked Questions
Do I need a reservation for Grayback Campground and Group sites - reserve?
No central reservation system listed for Grayback Campground and Group sites - reserve. Check the official page (https://www.recreation.gov/camping/campgrounds/251141) for the latest entry policy and availability.
How do I get to Grayback Campground and Group sites - reserve?
From Boise, Idaho, take State Highway 21 north for 36 miles.The campground access road is located on the east side State Highway 21, between mileposts 36 and 37.Turn right and proceed less than a mile to the campground.
References & Official Resources
