Parks and Recreation Department
210 Courthouse Way, Suite 160
Rigby, ID 83442
Jefferson County Lake
490 N 4000 E
Rigby, ID 83442
Season: May 15 to Late October (weather dependant)
Hours: 9 am to 10 pm (June thru August)
Jefferson County Lake Closes for the Season October 28.
Walk-in use is welcome. See you in the spring!
Camping and Shelter Reservations
Reservations for the current year become available in January. Watch the website for the link to be active.
PLEASE NOTE: Jefferson County does not share any personal information that you provide when you use our reservation system. Once a reservation is made, we cannot offer a refund.
If the gate is closed, please self-pay.
Pedalboats, Paddleboards, and Kayaks
Did you know you can reserve your pedalboat or kayak online for your day at Jefferson County Lake? Click here to see rates and availablility: Yellowstone Boat Rentals. (Please note: This is an external webpage. The provider of the rentals is a vendor at Jefferson County Lake, and is not employed by Jefferson County.)
We are accepting proposals for summer vendors at Jefferson County Lake. Proposals must be submitted no later than 5 p.m. June 15 to 210 Courthouse Way #160 Rigby, or to the entrance booth at the lake, 490 N 4000 E, Rigby. All vendor proposals are considered and selected individually. Submission of a proposal and contract does not guarantee selection as a vendor.
Buddies not Bullies Car Show - September 29
Register as a Vendor at the Independence Day Celebration. Download the Application HERE.
Register as a Vendor for Jefferson County Lake Events. Download the Application HERE.
View County Events and Public Meetings
Jefferson County Interactive Map - 2018 Update
Jefferson County Interactive Map
This map will be retired soon. Please begin using the 2018 Update above.