Nation | Tribe: Dry Creek Rancheria Band of Pomo Indians
3250 Highway 128 East
Geyserville, California 95441
(877) 883-7777
(707) 857-2777
Dry Creek Rancheria has partnered with Caesars Entertainment to transform the River Rock Casino in Sonoma County into a luxury resort named Caesars Republic Sonoma County. The new resort will open in Summer 2027 with a casino featuring 1,000 slot machines and 28 table games, a 100-room hotel, a steakhouse, upscale cafe, Asian restaurant, sports bar, and a wine bar with views of Alexander Valley.
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River Rock Casino operates inside a 62,000 sq-ft tent structure located off Highway 128 east of Geyserville in the Alexander Valley and features 1,000 slot machines, 11 tables, a high-limit room and a restaurant.
The casino was the first in Sonoma County when it opened with 60 slot machines on Sept. 15, 2002 inside two tent structures.
Caesars Republic Sonoma County
The Dry Creek Band of Pomo Indians has partnered with Caesars Entertainment to develop and manage a new casino resort to replace the existing River Rock Casino. The grand opening will be in the summer of 2027. Details of the plans remain pending. See resort plan.
River Rock Casino Today
These photos show today's River Rock Casino today housed within a tent structure and surrounded by three parking garages.
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River Rock Casino will transform into Caesars Republic Sonoma County August 7, 2025 - Dry Creek Rancheria and Caesars Entertainment have partnered to transform the River Rock Casino into a new resort to be named Caesars Republic ... Read more 
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River Rock Casino & Hotel Expansion | June 2024 Update June 25, 2024 - River Rock Casino plans to expand from its present-day tent casino into a new, $300 million casino resort. The new casino will be larger with more slot machines ... Read more 
New River Rock Casino Plan Approved by Sonoma County March 6, 2023 - Last week the Sonoma County Supervisors approved a new agreement with the Dry Creek Rancheria for building a new casino and hotel on the 75-acre site of the River Rock Casino ... Read more 
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Caesars Republic Sonoma County 2027
Plans for the new Caesars Republic Sonoma County are currently in development. Few details have been released, and no start date for construction has been announced. Dry Creek Rancheria, the tribal owner, has partnered with Caesar Entertainment to develop and manage the casino resort.
Casino: The casino will be moved into a larger, permanent building. The new gaming floor will be 40,000 square feet. The number of slot machines will increase to 1,300, and table games will increase from 24 to 28. The slots will be Class III type machines ("Vegas-style") with authorization to increase to a maximum of 1,500 machines.
Hotel: A new hotel tower will have 100 guest rooms and suites, pool, spa, salon and a fitness center..
Restaurants: The expansion project will include 7,000 square feet for new restaurants including a steakhouse, Asian restaurant, upscale cafe, sports bar and a wine bar.
Additional information about the project is expected soon
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Hours: Monday - Thursday 10am - 2am and Friday - Sunday 10am - 4am
62,000 square-foot floor
Smoke free gaming areas
Guests must be 21 years or older to enter casino
1,000 slot machines - video poker and progressives - from pennies to high-limit $25 & $100 slots
11 tables featuring Pai Gow Poker, Mini Baccarat and Blackjack
High Limit Room - 60 slot machines with up to $100 denominations, 2 blackjack tables, and full-service bar.
Casino Express Bus Service
(415) 379-3779
Wednesdays - Sundays: Bay Area Buses Only
Fridays - Sundays: Sonoma County Buses Only
Quail Run
Casual dining with views of Alexander Valley countryside from the restaurant patio. Hours are Sunday- Thursday 9am - 10pm and Friday - Saturday 9am - 11pm
Center Stage Bar & Grill
Located in the middle of the casino. Open Sun-Thur 7am to midnight, Fri-Sat 7am to 1am
Fortune Cafe
Asian cusine. Open on weekends.
OHOSA which means "Smoke"
Fine quality cigarettes and other tobacco products. Open 10am - 6pm daily.
A seven-story parking structure provides parking spaces for 1,179 vehicles.
Bus service to River Rock Casino is available Friday, Saturday and Sunday. Contact Sanmo Travel at (415) 379-3779.
River Rock Casino is located at 3250 Highway 128 East in Geyserville on the Dry Creek Rancheria of Pomo Indians.
August 7, 2025
Dry Creek Rancheria and Caesars Entertainment have partnered to transform the River Rock Casino into a new resort to be named Caesars Republic Sonoma County. A groundbreaking event was held Aug. 2 to begin construction on the two-year project which will open in Summer 2027.
Caesars Republic Sonoma County 2027
River Rock Casino is owned by the Dry Creek Rancheria and currently operates inside a tent-like structure. There are 1,000 slot machines, 11 table games, and three dining venues. For the past few years, the tribe has been planning to expand into a permanent casino and add a hotel to attract overnight guests. A tentative plan was announced in early 2023.
That plan eventually evolved into the new partnership with Caesars Entertainment to build the Caesars Republic Sonoma County. Caesars is involved with the development and will manage the property when it opens in 2027.
The new casino will be a luxury resort with a casino featuring 1,000 slot machines and 28 table games, a 100-room hotel, and three restaurants. It will also feature a wine bar with views of Alexander Valley.
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June 25, 2024
River Rock Casino plans to expand from its present-day tent casino into a new, $300 million casino resort. The new casino will be larger with more slot machines and table games, more restaurants, and a 100-room resort hotel.
As part of the development process, the Dry Creek Rancheria Band of Pomo Indians recently issued a supplemental environmental impact study of the project. This prompted Sonoma County to call for public comments on the study.
Sonoma County has no jurisdiction over River Rock Casino since the casino is located on sovereign tribal land. However, the county will be meeting with casino officials to discuss mutual issues involving traffic, public safety, and fire protection.
Residents with comments or concerns about the River Rock expansion project, they should write to the Sonoma County Administrator Office at 575 Administration Drive, Santa Rosa, CA 95403 or email tribalaffairs@sonoma-county.org.
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March 6, 2023
Last week the Sonoma County Supervisors approved a new agreement with the Dry Creek Rancheria to build a new casino and hotel on the 75-acre site of the River Rock Casino. The supervisors voted 4-1 in favor of the measure.
The agreement between the county and the tribe includes these provisions:
The new River Rock resort casino will include a 60,000 square-foot casino with 1,500 slot machines, mulitple restaurants and a food court, a 300-room hotel, spa, salon, fitness center, event center and a wedding chapel.
The new River Rock Casino plan replaces a 2008 agreement with Sonoma County to build a larger project with a 88,000-square-foot casino, 3,000 slot machines, and a 600-room hotel.
Dry Creek Rancheria agreed not to build another casino near Petaluma before 2035. The tribe owns 277 acres south of Petaluma, which has been approved for a casino by the U.S. Bureau of Indian Affairs. This provision is conditional and whether or not the Koi Nation's proposal to build Shiloh Resort & Casino near Windsor is approved by the federal government. If successful, Sonoma County would nullify a Petaluma casino.
When the new casino opens, the tribe will pay the county $750,000 annually for the first four years. Afterwards a two percent increase will be added annually until the payments reach a maximum of $1.5 million.
Plans for the new River Rock Casino Resort are in the development stage. Further information and the timeline are pending.
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The following renderings of the 2027 Caesars Republic Sonoma County were provided by Caesars Public Releations.
Caesars Republic Sonoma County 2027
Casino
Casino Bar
Sports Bar
Spa
Patio with Alexander Valley Views
Steakhouse
Asian Restaurant
Cafe
Update: California sports betting battle on Nov ballot April 23, 2022 - California voters will decide whether to legalize sports betting and who will control it in this year's November 8 election. Although most of the ballot initiatives are still seeking signatures to qualify for ... Read more
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