Humboldt Conservation Camp

Humboldt Conservation Camp is a minimum-security state prison for male inmates that is located in Winnemucca, Nevada. The facility officially opened in 1986 and consists of 22 trailers brought down from the Alaskan pipeline project. It can house approximately 152 inmates.

Humboldt Conservation Camp is an Nevada Division of Forestry fire camp and can have as many as six 12-man crews fighting fires at any given time. During the off time of firefighting, the crews spend their days doing project work, such as highway clean-up for the Department of Transportation or working in the local community. Work crews are available for hire in the local community by contacting the NDF supervisor at (775) 623-6535.

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Humboldt Conservation Camp

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Visiting Hours and Rules

Visiting hours at the Humboldt Conservation Camp are on Saturdays and Sundays from 12:15 pm to 4:00 pm. Visitors must call (775) 623-6530 and ask for Visiting 24 hours in advance to schedule their visit.

General Rules

You must get approval before visiting your inmate. You will be subject to search when you arrive at the facility, and you must present a photo ID before you are allowed to enter. A maximum of four approved visitors, per inmate, is allowed per visiting session (including children). 

Dress Code

Visitors are not allowed to wear clothing similar to inmate issue attire (i.e., blue denim shirts and/or pants). Visitors are required to wear sensible, conservative attire as interpreted by the Visitation Officer or Supervisor.  Ladies must wear undergarments (bras, panties, slip, etc.) at all times. 

The following is a list of clothing items that CANNOT be worn or brought into the facility. 


  • No plain white T-shirts  
  • No sleeveless tops or dresses  
  • Sleeves must extend two inches over the shoulder
  • No midriff shirts, must cover the beltline  
  • No low cut tops or dresses  
  • No plunging necklines in the back or front of any garment  
  • No tops with a zipper the total length of the garment
  • No hooded jackets, shirts, or sweaters


  • No culottes or shorts
  • No leggings, jeggings, or spandex type clothing (allowances may be made for pregnant women)  
  • No extreme baggy pants, male or female, as determined by visiting staff
  • No sweat pants, jogging pants, or track pants (Velour pants are allowed)
  • Skirts, dresses, and Capri pants are allowed:  Must cover the entire knee while sitting and standing. Mid-calf in length or four inches below the knee. 
  • Dresses must have sleeves that extend at least two inches over the shoulder 
  • No floor length skirts or dresses  
  • No wrap around skirts or dresses  
  • No stretchy or tight fitting skirts or dresses of any fabric  
  • No slits longer than three inches in skirts or dresses  
  • No skirts, dresses, or pants with buttons or zippers the total length of the garment  


  • No bare feet (other than infants 0-12 months)  
  • All shoes/sandals must have a back or heel strap to secure the shoe/sandal to the foot 
  • No shoes with heels more than two inches high
  • No boots higher than mid-calf


  • No see-through clothing
  • Must not be able to see under garments
  • No clothing depicting any athletic sports team or activity
  • No gloves or scarves
  • No nursing or medical uniforms/scrubs
  • No tight fitting clothing
  • No hats, headbands, scarves, or bandanas 
  • Wigs, toupees, and hairpieces are allowed but are subject to search
  • Jewelry allowed: One ring per hand, one set of earrings, one watch, and one necklace of religious nature (medical bracelets are allowed)

Items Allowed In The Visiting Room

1) Valid Identification
2) A maximum of $40.00 in quarters or dollar coins, IN A CLEAR BAG
3) Wheel Chairs, Canes, and walkers
4) Oxygen Items 

The following baby items are allowed if you bring an infant, and they must be in a clear bag:

  • Diapers  
  • One change of clothing for the infant  
  • NO Dry formula, formula MUST be mixed  
  • Bottles  
  • Wipes  
  • Clearly marked baby food in a sealed container 

Physical Address

Humboldt Conservation Camp
8105 Conservation Road
Winnemucca, Nevada 89446

Driving Directions:

General Phone Number

​​​​​(775) 623-6530

Inmate Mailing Address(es)

Inmate Name, DOC Number, and Housing Unit
Humboldt Conservation Camp
P.O. Box 1069
Winnemucca, Nevada 89446

How to Call an Inmate

Inmates at the Humboldt Conservation Camp can’t receive incoming calls, but they do have access to phones during daytime hours. For complete details on how to call an inmate in Nevada, please click here.

How to Send Money

You can send money to inmates at the Humboldt Conservation Camp by snail mail with a Lockbox Deposit Coupon (cashier's check or money order), online with a credit or debit card at the Access Corrections website, or by calling Access Corrections at 1-866-345-1884.

Coupons for mail-in lockbox deposits must be either printed or obtained from the inmate. The inmate is responsible for sending coupons to persons wishing to send the inmate money.

Please make sure the money order is payable to “ACCESS SECURE DEPOSITS” and mail the deposit slip and money order to:

Secure Deposits - Nevada DOC
P.O. Box 12486
St. Louis, MO 63132

Mailing a money order is an extremely slow process. Because of increased counterfeit activity, funds from ALL money orders and cashier's checks received directly by NDOC will not be available to the inmate until fourteen calendar days after receipt. 

If you use the Access Corrections website or phone number, the money will get to the inmate’s account within 48 hours.

Programs For Inmates

Humboldt Conservation Camp offers a wide range of programs for the inmate population and an opportunity to pursue a GED or high school diploma. Humboldt Camp also coordinates with the Nevada Division of Forestry (NDF) in training inmates to work on fire fighting crews during fire season.

  • High School Diploma
  • High School Equivalency (HSE)
  • Commitment to Change
  • Firefighting Basic Training

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Careers at Humboldt Conservation Camp

If you are interested in a career with the Nevada Department of Corrections and would like to work at the Humboldt Conservation Camp, you can find out more information by clicking here.