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Cassia County

City of Rocks Loop

Moderate

5.0

(1)

9

hikers

City of Rocks Loop

03:12

10.1km

410m

Hiking

Hike the moderate 6.3-mile City of Rocks Loop to explore unique granite formations and expansive views in City of Rocks National Reserve.

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

City of Rocks National Reserve

Waypoints

A

Start point

Parking

Get Directions

1

99 m

Parking Lot Rock

Highlight • Climb

Affectionately known as "Parking Lot Rock" because of it's proximity to the parking lot. A favorite for rock climbers!

Tip by

2

2.53 km

Lost Arrow Spire

Highlight • Climb

A rock formation popular for climbing. There is a short access trail from the main route.

Tip by

3

3.27 km

Stripe Rock

Highlight • Climb

A unique rock formation popular for rock climbing. There are a few approaches around the rock from this location.

Tip by

4

7.97 km

A short trail leads to a viewpoint overlooking the park.

Tip by

B

10.1 km

End point

Parking

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Way Types & Surfaces

Way Types

5.76 km

4.28 km

< 100 m

< 100 m

Surfaces

6.64 km

3.46 km

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (2,210 m)

Lowest point (1,850 m)

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Weather

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Thursday 7 May

17°C

6°C

-- %

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This route was planned by komoot.

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Frequently Asked Questions

How long does it typically take to hike the City of Rocks Loop?

Most hikers complete this 6.6 to 6.8-mile loop in about 3.5 to 5 hours, depending on their pace and how often they stop to admire the views. Komoot estimates the moving time at around 3 hours and 11 minutes.

What is the difficulty level of this hike, and what kind of terrain can I expect?

This trail is generally considered moderate by komoot, but many describe it as strenuous due to significant elevation changes, ascending to heights over 7,200 feet. You'll encounter varied terrain, from sagebrush flats to high country aspen and pine groves, with sections of slickrock. Be prepared for uphill climbs and descents, with some narrow and steep sections over uneven ground. While generally easy to walk on, some parts involve rock crossings.

What unique geological features and viewpoints will I see along the route?

The loop offers a 'grand tour' of the reserve's iconic granite formations. You'll be treated to expansive views into valleys and numerous overlooks. Keep an eye out for chalky white and grey spires, pinnacles, panholes, honeycombs, windows, and arches. Notable formations include Parking Lot Rock, Lost Arrow Spire, and Stripe Rock. Don't miss the View of City of Rocks National Reserve for a panoramic experience.

Is the City of Rocks Loop dog-friendly?

Yes, dogs are generally allowed on trails within the City of Rocks National Reserve. However, they must be kept on a leash at all times. Always remember to pack out any waste to keep the trails clean for everyone.

What is the best time of year to hike this trail?

The best time to hike is typically spring and fall when temperatures are milder. Summer can be very hot and dry, especially in sheltered, lower sections, with minimal shade throughout the hike. Winter hiking is possible but can involve snow and ice, requiring appropriate gear.

Are there any permits or entrance fees required for the City of Rocks National Reserve?

There are no entrance fees to access the City of Rocks National Reserve itself. However, if you plan on camping or engaging in certain activities, specific permits or fees might apply. You can find more detailed information on the official NPS website: nps.gov/ciro/planyourvisit/fees.htm.

Where is the trailhead located and is there parking available?

The City of Rocks Loop is located within the City of Rocks National Reserve in southern Idaho. While the specific trailhead for this loop isn't explicitly detailed, the reserve has multiple access points and parking areas. It's advisable to check a detailed map of the reserve or inquire at the visitor center for the most convenient parking for this specific loop.

Does the trail intersect other well-known paths?

Yes, the route passes through sections of several other trails, including North Fork Circle Creek, Bumblie Wall Trail, South Fork Circle Creek Trail, Beef Jello Trail, and Stripe Rock Trail, among others. This allows for a diverse hiking experience and potential connections to other areas of the reserve.

What should I bring for a hike on this loop?

Given the strenuous nature, varied terrain, and minimal shade, it's crucial to bring plenty of water, especially during warmer months. Sturdy hiking boots are recommended for the uneven ground and slickrock sections. Sun protection (hat, sunscreen) is essential. A map and compass or GPS device are also advisable, as well as snacks and layers of clothing for changing conditions.

Is this a good trail for families or beginners?

Due to its strenuous rating, significant elevation changes, and varied terrain, this loop might be challenging for young children or beginner hikers. While rewarding, it requires a good level of fitness. Families with older, experienced hikers or beginners looking for a challenge might enjoy it, but be prepared for a demanding outing. There are other, shorter, and less strenuous trails within the City of Rocks National Reserve that might be more suitable for beginners or families with very young children.

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