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Camper submitted image from Cottonwood Campground — Brannan Island State Recreation AreaView 2 Photos
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Cottonwood Campground — Brannan Island State Recreation Area

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SUMMARY PRESENTED BYT-Mobile

Quiet midweek visits draw few neighbors at this walk-in campground inside Brannan Island State Recreation Area, where squirrels and birds are the most consistent company. Sites accommodate RVs up to 36 feet, and cell service is reliable. The campground includes showers, toilets, picnic tables, and firewood for purchase, with pets welcome and campfires permitted. Willow Campground sits just northeast for campers wanting a different site within the same park.

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Warning 2 Alerts are In Effect

There are 2 alerts for this campground. Camp safely!

Park hours are from sunrise to one hour after sunset.  There is a new gate; it will close one after sunset, and reopen at sunrise.

 

Sites vary from 20 feet to 36 feet in length. While booking your site, please check SITE length and width under amenities to be sure your unit and vehicle will fit properly.

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Map & DirectionsCottonwood Campground is located in California near Rio Vista

Detail location of campground
Public Campground

Address

17645 State Hwy. 160
Rio Vista, CA 94571

Coordinates

38.1081161499023 N
121.69554901123 W

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Connectivity

Presented byT-MobileT-Mobile is introducing T-Satellite to extend coverage in the outdoorsLearn More
  • signal strength bars
    T-Mobile5G
    Excellent Coverage
    Verified by 9 users
    Last on 8/12/26
  • signal strength bars
    Verizon5G
    Excellent Coverage
    Verified by 1 user
    Last on 8/12/26
  • signal strength bars
    AT&T5G
    Excellent Coverage
    Verified by 2 users
    Last on 7/6/26

Is Cottonwood Campground — Brannan Island State Recreation Area sold out?

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Presented byHershey's

Connectivity

Presented byT-MobileT-Mobile is introducing T-Satellite to extend coverage in the outdoorsLearn More
  • signal strength bars
    T-Mobile5G
    Excellent Coverage
    Verified by 9 users
    Last on 8/12/26
  • signal strength bars
    Verizon5G
    Excellent Coverage
    Verified by 1 user
    Last on 8/12/26
  • signal strength bars
    AT&T5G
    Excellent Coverage
    Verified by 2 users
    Last on 7/6/26

Access

  • Walk-In
    Park in a lot, walk to your site.

Site Types

  • Tent Sites
  • RV Sites
  • Standard (Tent/RV)
  • Group
  • Cabins
  • Tent Cabin

Features

For Campers

  • Picnic Table
  • Firewood Available
  • Phone Service
  • Reservable
  • Showers
  • Toilets
  • Pets
  • Fires

Contact

Reservations

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Reviews1 Camper Review - Cottonwood Campground

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4.0

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1 Review

Reviewed May. 14, 2025

State Park

I was here in the month of May very quiet squirrels running around lots of birds I think there was only three or four people that it was during the week so there's that good cell service I have a 25 ft RV fit in the space fine.

Site90
Month of VisitMay
  • Review photo of Cottonwood Campground — Brannan Island State Recreation Area by shirley H., May 14, 2025
  • Review photo of Cottonwood Campground — Brannan Island State Recreation Area by shirley H., May 14, 2025
Showing results 1-1 of 1 reviews

Frequently Asked Questions

What is the max vehicle length at Cottonwood Campground — Brannan Island State Recreation Area?

Cottonwood Campground — Brannan Island State Recreation Area allows vehicles up to 36 feet.

Are fires allowed at Cottonwood Campground — Brannan Island State Recreation Area?

Yes, according to campers on TheDyrt.com, fires are allowed at Cottonwood Campground — Brannan Island State Recreation Area, although make sure to check current fire restrictions in the area.

Does Cottonwood Campground — Brannan Island State Recreation Area have wifi?

No, according to campers on TheDyrt.com, Cottonwood Campground — Brannan Island State Recreation Area does not have wifi.

Is there cell phone reception at Cottonwood Campground — Brannan Island State Recreation Area?

According to campers on TheDyrt.com, there is excellent coverage for AT&T, excellent coverage for T-Mobile, and excellent coverage for Verizon.

How hard is it to get a campsite at Cottonwood Campground — Brannan Island State Recreation Area?

Some campers book as far as 6 months in advance, so on high-demand weekends it can be very difficult to get a campsite at Cottonwood Campground — Brannan Island State Recreation Area. If you want to get a last-minute campsite at Cottonwood Campground — Brannan Island State Recreation Area, try setting up a text message Alert atTheDyrt.com/alerts

Why is it so hard to get a campsite at Cottonwood Campground — Brannan Island State Recreation Area?

There are 46 campsites at Cottonwood Campground — Brannan Island State Recreation Area and over 80 million Americans who camp! Try snagging a cancellation by setting up a text message Alert atTheDyrt.com/alerts

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