4.5
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9,630
hikers
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6.34km
390m
Hiking
Embark on the Granite High Country Trail for a rewarding hike through the varied terrain of Boise National Forest. This moderate 3.9-mile (6.3 km) route features expansive vistas as you travel along a ridge, offering views between the North Fork of the Boise River and Idaho City. You will gain 1274 feet (388 metres) in elevation, with the journey typically taking around 2 hours and 8 minutes to complete. Look for wildflowers and local wildlife, particularly when the fall colors are at their most vibrant, as you ascend to a high point of 6,569 feet.
To begin your adventure, find the trailhead located at the base of Rabbit Creek Summit. Be prepared for Idaho's often unpredictable weather, which can shift rapidly from sun to snow, rain, or even hail, sometimes all in a single day. It is always wise to pack extra layers of clothing and carry ample water for your hike. Additionally, be aware of insects like ticks and mosquitoes, especially as the summer months approach.
This trail is notable for its significant elevation changes and the diverse landscapes you will encounter. The ridge walk provides a unique perspective of the region, making it a standout option for those seeking a good workout combined with scenic rewards. The varied terrain and the chance to spot local wildlife contribute to the distinct character of this high country experience.
Last updated: April 23, 2026
Tips
Your route passes through a protected area
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Waypoints
Start point
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6.34 km
End point
Way Types & Surfaces
Way Types
6.32 km
< 100 m
Surfaces
6.33 km
< 100 m
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Elevation
Highest point (2,020 m)
Lowest point (1,670 m)
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Weather
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Tuesday 1 September
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13°C
42 %
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Max wind speed: 8.0 km/h
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This route was planned by komoot.
The trailhead for the Granite High Country Trail is located at the base of Rabbit Creek Summit. Parking facilities are available there, making it a convenient starting point for your hike.
While some references suggest it's also used for dirtbiking, many sources specifically describe the Granite High Country Trail as a hiking trail. It is identified as Trail #665003. Hikers should be aware that permitted uses can sometimes vary, so it's always good to check with the Boise National Forest for the most current official designation.
The trail offers varied terrain and is generally considered to have moderate difficulty, with some challenging sections. You should be prepared for significant elevation changes, uneven ground, and an average grade of 11%, with a maximum grade reaching 49%. Adequate footwear is highly recommended.
Hikers can expect very scenic views along the route. The trail travels along a ridge situated between the North Fork of the Boise River and Idaho City. Features contributing to its beauty include potential fall colors, expansive vistas, wildflowers, and opportunities for wildlife sightings.
The best time to hike can depend on your preference for weather and scenery. However, be prepared for unpredictable Idaho weather, which can bring sun, snow, rain, hail, thunder, lightning, and wind, sometimes all in one day. Spring and fall often offer beautiful conditions, but summer can also be great, though you should be mindful of insects.
The Granite High Country Trail is a point-to-point trail. Its length can vary depending on the specific segment or interpretation, typically ranging from approximately 3 to 7 miles.
Generally, trails in the Boise National Forest are dog-friendly, but specific leash rules and regulations may apply. It's always best to check with the Idaho City Ranger District for the most up-to-date information regarding dog policies on Trail #665003 to ensure a pleasant experience for everyone.
For general day hiking on the Granite High Country Trail within the Boise National Forest, permits are typically not required. However, it's always a good practice to verify current regulations with the Boise National Forest or the Idaho City Ranger District, especially if you plan on extended stays or specific activities.
Due to the unpredictable Idaho weather, it's crucial to pack versatile items and extra layers. This includes waterproof and windproof gear, as conditions can change rapidly. Ample water is also essential, and consider bringing insect repellent, especially as summer approaches, to protect against ticks and mosquitoes.
When hiking in Boise National Forest, always practice Leave No Trace principles. This includes packing out all trash, staying on marked trails, and respecting wildlife. Specific regulations regarding campfires, dispersed camping, and motorized vehicle use may vary, so consult the official Boise National Forest website or the Idaho City Ranger District for detailed guidelines.
Yes, the route also passes through sections of the Cottonwood-Bannock Creek Road and the J Connector. These intersections might offer opportunities to extend or modify your hike.
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