Cottonwood Campground

Star4.21
16 reviews
Forest Service Road 377, Middle Fork Boise River, Idaho

Quick Facts

3,350 ft

Price

Free

Booking

First-Come

Sites

3 campsites

Season

End of May - End of ...

Cell

Unknown

Pets

Check Policy

Opens Mountain Home Ranger District site

Official Website
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Cottonwood Campground
$0.00 - $0.00 / night
Campsite Fees
No fees are required for camping at Cottonwood Campground.
Standard Site Fee$0.00
Hookup Site Fee$0.00
Premium Site Fee$0.00
Hike and Bike Site Fee$0.00
Group Site Fee$0.00
Food Storage Locker Fee$0.00

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What Campers Say

4.21

Satisfactory

Based on 16 reviews

13 Google reviews

Most mentioned

hiking

"User reviews reflect a generally positive impression of the campground. While some users highlight its scenic location and suitability for hiking and family traditions, others note its proximity to a dirt road as a minor drawback."

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Campground Map

Forest Service Road 377, Middle Fork Boise River, Idaho

Cottonwood Campground

Forest Service Road 377, Middle Fork Boise River, Idaho

Driving directionsFrom Boise, Idaho, travel north along State Highway 21 and turn right at the Forest Service (FS) road 268 junction that goes to Arrowrock Reservoir. Travel along FS road 268 east past Arrowrock Dam approximately 16 miles to Cottonwood Campground. Turn left on the switchback that junctions with FS road 377. Reminder: please use caution when traveling FS road 268; it can be quite hazardous in narrow and rough sections.
Accessible by car in good weather, but the road can be rough with narrow and hazardous sections. Checking road conditions before heading out is recommended.
Nearby places
Boise (distance not provided, approximately 16 miles from Arrowrock Dam)
Nearby supplies
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Best Time to Camp at Cottonwood Campground

From mid-May through late September, Cottonwood Campground basks in Idaho's finest weather, with warm days perfect for river swimming and cool nights ideal for campfire gatherings. As autumn fades, winter transforms the landscape into a snow-covered wonderland, though deep snow and challenging road conditions typically close access to all but the most intrepid winter adventurers until spring's return.

Best
Summer(Jun-Aug)
4.0 / 5

Peak season mid-May to late September; warm days ideal for river swimming and recreation.

Fall(Sep-Nov)
3.0 / 5

Open through end of September so early fall can be pleasant, but the season is short.

Spring(Mar-May)
3.0 / 5

Open from late May so only late spring is available; limited season affects spring appeal.

Winter(Dec-Feb)
Not recommended

Campground is closed outside late May–late September; winter use not supported.

Planning Tips
  • Peak Season: End of May - End of September. Book 2-3 months ahead.
  • Operating Season: End of May - End of September
  • Current Alerts: Checking road conditions before arriving is advised, particularly for FS road 268.

About Cottonwood Campground

Tucked away in the pristine wilderness where Cottonwood Creek meets the Middle Fork Boise River, Cottonwood Campground offers an authentic backcountry escape. This intimate, remote camping area sits at the crossroads of Forest Service roads 268 and 377, serving as your gateway to adventure near the sparkling waters of Arrowrock Reservoir. Whether you're casting a line into crystal-clear waters, exploring hidden trails, or simply soaking in the serene mountain atmosphere, this hidden gem provides the perfect basecamp for those seeking solitude and natural beauty far from the crowds.
Cottonwood Campground is a primitive camping facility within the Boise National Forest, catering to tent campers and those seeking a rugged outdoor experience. It is accessible by car during good weather conditions.
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Amenities available

Fire rings
Picnic tables
Vault toilets

Activities you can enjoy

Cottonwood Campground offers opportunities for hiking, fishing, swimming, and wildlife viewing. It is located near the Middle Fork Boise River and Arrowrock Reservoir, which are known for excellent trout fishing and recreation. Nearby trails lead to scenic locations such as Bald Mountain.
HikingHiking is popular around the campground, with the Cottonwood Trail providing access to Bald Mountain.
FishingArrowrock Reservoir is a premier fishing destination in southwest Idaho, offering excellent trout fishing for species such as rainbow and cutthroat trout. The Middle Fork Boise River also provides great fishing opportunities.
SwimmingSwimming holes are mentioned as part of the recreational opportunities offered in the area.
BikingThe campground supports mountain biking activities, though specific trails or difficulty levels are not detailed.
Wildlife viewingCampers may encounter deer, elk, waterfowl, eagles, and osprey, which are attracted to the river and surrounding areas.
Winter Activities
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Policies & Safety

Hazards & AlertsRough, hazardous roads, particularly Forest Service road 268, present risks for travelers.
Active AlertsChecking road conditions before arriving is advised, particularly for FS road 268.
No Potable WaterThis campground does not have potable water on-site. Bring all the water you need for drinking, cooking, and cleaning.

Weather at Cottonwood Campground

Reviews

4.2
16 reviews
Satisfactory
Satisfactory
Cottonwood Campground is satisfactory, placing it in the bottom 60% of campgrounds based on reviews
User reviews reflect a generally positive impression of the campground. While some users highlight its scenic location and suitability for hiking and family traditions, others note its proximity to a dirt road as a minor drawback.
Review Summaries
Based on 16 reviews

What Campers Love

The scenic beauty of the campground, its proximity to recreational activities like hiking and fishing, and its suitability for family traditions are frequently praised. One user stated, 'One of our...
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Based on 16 reviews

Common Concerns

Some users expressed concerns about the campground's proximity to the main dirt road, which may affect privacy and noise levels. One reviewer commented, 'It’s a bit close to the main dirt road, but...
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Based on 16 reviews

Pro Tips & Recommendations

Campers should prepare for a rugged experience and bring their own potable water, as none is available on-site. Checking road conditions in advance is also recommended due to rough and hazardous...
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Based on 16 reviews

Seasonal Insights

The campground is open from late May to late September, with mid-May to late September being most favorable for weather conditions. Seasonal trends in reviews are not explicitly discussed.
Based on 16 reviews

Camper Quotes

- 'A fun place to hike if you’re looking for somewhere nice to go for a day!' - 'One of our family’s favorite places to camp, and our yearly tradition.'
Based on 16 reviews

Site-Specific Reviews

There are no specific details about the individual campsites provided in the reviews or authoritative sources.
Based on 16 reviews

Accessibility Features

No reviews specifically addressing accessibility features were found.
Based on 16 reviews

Pet-Friendly Features

No reviews or details regarding pet policies or pet owner experiences were found.
Based on 16 reviews

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Last updated January 13, 2026
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