File Nº 0000871 California facilities Tuolumne County Updated July 2026
Facility record

CDCR - Sierra Conservation Center (SCC)

Visiting hours, phone number, mailing address, inmate locator, and driving directions for CDCR - Sierra Conservation Center (SCC) in Tuolumne County, California — compiled from official records and reviewed by our editorial team.

Photo of CDCR - Sierra Conservation Center (SCC), California
Exhibit A CDCR - Sierra Conservation Center (SCC) — Tuolumne County, California

CDCR - Sierra Conservation Center (SCC) — Key Information

Facility address
5100 O'Byrnes Ferry Rd PO Box 497, Jamestown, CA 95327
Phone
Security level
State - low
County
Tuolumne
State
Facility type
Adult
Beds
5825
Phone provider
Global Tel Link (GTL) - ConnectNetwork
Fax
Not listed
Email
Not listed
Inmate mailing address
5100 O'Byrnes Ferry Rd PO Box 497, Jamestown, CA 95327

CDCR Sierra Conservation Center (SCC), Jamestown: Visits, Mail & Money Guide

The Sierra Conservation Center (SCC) is a Level I/II men's institution in Jamestown, Tuolumne County, and one of the two CDCR institutions that trains and staffs California's inmate firefighter conservation camp program (the other is the California Correctional Center in Susanville). That fire-camp mission is what makes SCC different from most other CDCR prisons — a large portion of the population trains at Jamestown and is then assigned out to conservation camps across Northern and Central California, where they live in camp housing rather than at the main institution and respond to wildfires and other emergencies. This guide covers the essentials for families whether your loved one is at SCC itself or one of the associated camps.

About SCC and the conservation camp program

SCC opened in 1965 as CDCR's Northern-California hub for the inmate firefighter program. Men housed at the main institution in Jamestown are lower-custody (Level I and Level II), and many are trained at SCC's fire academy before being assigned to one of California's conservation camps — small facilities of typically a hundred or so men, run jointly by CDCR and Cal Fire, that provide crews to fight wildfires and support other emergency response. Some men remain at SCC's main institution for the whole time; others move to a conservation camp and live there until they parole or are reassigned. If your loved one moves to a camp, his mailing address changes, so ask him to send you the new camp address as soon as he arrives.

Every person at SCC or an associated camp is identified by a CDCR number that follows them across the system. Because camp assignments and internal moves change addresses, confirming the current location before every mailing or trip prevents delays. Our guide on how to find someone in jail or prison covers the search process, and CDCR's CIRIS or a search on AllRecentArrests.us shows the currently-listed institution.

Visitation: weekends through the VSA

Visits at SCC's main institution are held on Saturdays, Sundays, and observed holidays and must be scheduled in advance through the CDCR Visitor Scheduling Application (VSA) at cdcr.gtlvisitme.com/app. Because SCC is a Level I/II facility, visits are typically contact in a shared visiting room, which is a friendlier setting for children and older relatives than higher-custody CDCR yards. Visiting rules and schedules at the individual conservation camps vary by camp — some allow visiting on limited days, others have different processes because of their small size and remote locations — so if your loved one is at a camp, check that camp's visiting rules directly rather than assuming the main-institution schedule applies.

Before scheduling, you must be approved on the visitor list. That process starts with CDCR Form 106 that the inmate requests, mails to you, and returns for a background check. Once approved, register with the VSA using the CDCR number and pick a slot several days ahead. Bring a valid government-issued photo ID, dress within CDCR's visiting rules, and expect a search on arrival.

Deposits and California's 50 percent restitution rule

SCC inmates fund their trust and canteen accounts through Access Corrections' Connect Network and through JPay for electronic deposits, plus a mailed-check option through JPay's Los Angeles lockbox. Mailed checks and money orders should be made payable to JPay and sent with the deposit slip to JPay, 2202 South Figueroa St, Box #3001, Los Angeles, CA 90007. There is no fee for mailed money orders or checks, but checks may sit on a longer hold. The California-wide rule is that CDCR is required to garnish 50 percent of any non-exempt deposit toward restitution the person owes. Deposits follow the person across transfers, including to conservation camps, so funds don't need to be re-routed after a camp assignment. Our overviews of how to send money to an inmate and the JPay process cover the mechanics.

Mail, packages, and phone calls

Mail for SCC's main institution goes to PO Box 497, Jamestown, CA 95327, addressed with the inmate's full name and CDCR number. If your loved one is assigned to a conservation camp, the camp uses a separate mailing address that your loved one will send you when he arrives — letters sent to Jamestown for someone housed at a camp are typically forwarded but with a delay. Legal mail should be sent separately and clearly marked to preserve privileged handling. Use plain white paper with dark ink and follow California's prohibited-items rules (no cash, personal checks, stamps, stickers, glitter, glue, tape, staples, paperclips, Polaroids, hardcover books, musical or embellished cards, or anything with electronics). Books and publications must come directly from the publisher or an approved online retailer. Our breakdown of how to send mail to an inmate covers the format and common rejection reasons.

Phone service at SCC, like all CDCR facilities, has been free for the incarcerated caller since January 1, 2023, so regular calls are a practical low-cost way to keep contact steady between visits. Conservation camps have phone access as well, though camp schedules can limit call times. You still register your phone number with the facility's provider before your loved one can dial you. Packages are allowed only through CDCR-approved vendors. Our guide to calling an inmate, care package guide, and commissary explainer cover the details.

Legal mail, emergencies, health concerns, and avoiding scams

Legal or privileged mail from an attorney or court is opened only in the inmate's presence when properly marked. For emergencies such as a death, serious illness, or birth in the family, call SCC (or the specific camp) to arrange getting an urgent message through, and keep the CDCR number handy. If your loved one is fighting a wildfire when an emergency hits, the message may take longer to reach him, but Cal Fire and CDCR do coordinate to relay urgent family notices to the crews. If you are worried about a loved one's health or safety, contact staff directly, explain the situation clearly, and keep a written record of who you spoke with and when.

Be cautious about paying third-party sites — CDCR's own CIRIS search and the department's named providers are the authoritative channels, so paying an unfamiliar site to locate someone or forward a deposit is a common way families lose money for something the system provides free. When guidance online conflicts with what the facility tells you, trust the facility, and confirm anything important by calling (209) 984-5291.

Fire camps: what changes when he gets assigned

If your loved one is trained at SCC and assigned out to a conservation camp, several things change. His address will be the camp's, not Jamestown's. His day-to-day work is fire-line labor plus training and physical fitness, with pay rates that are higher than typical prison work assignments. Contact with him may be less frequent during active fire deployments, when crews are on the line for extended stretches. Camp assignments are also generally viewed favorably by the parole board and can help with sentence credits, and the training your loved one gets can translate into post-release employment in fire services under some paths. Our guide on life after prison covers reentry more generally.

Records and staying steady

Keeping the CDCR number, current institution or camp address, VSA login, JPay or Connect Network receipts, and any court or parole dates organized carries families through SCC and its camps with the least added friction. Above all, steady contact through free calls (since 2023), correctly-addressed letters, and scheduled visits when possible is one of the most valuable things you can offer someone at SCC or a conservation camp.

Inside the Sierra Conservation Center: how the facility is laid out

the Sierra Conservation Center holds people at minimum and low-medium custody in dormitory housing and high-medium custody in celled housing.

The centre states that it provides housing, programs and services for minimum and medium custody people to aid their rehabilitation, and that it is responsible for training and placement into the Conservation Camp Program.

Layout matters more than families expect. Which yard or unit someone is assigned to drives their custody level, their program eligibility, and often their visiting schedule — so when you call, having the housing assignment to hand will get you a useful answer faster than the name alone.

How crowded the Sierra Conservation Center is right now

the Sierra Conservation Center was designed to hold 4,592 people. As of July 22, 2026 the agency reported a population of 4,174, which is 90.9% of that design capacity.

Running at or below design capacity does not mean the institution is quiet. Population moves in waves, and intake, medical screening, and visiting slots can all come under pressure in a single week without the headline number changing.

For scale, the same report puts the state's institutions as a whole at 86,006 people against a design capacity of 71,074, or 121.0% — so this facility sits well below the system-wide figure rather than being an outlier.

This figure moves week to week. Treat it as the scale of the place rather than a live count, and confirm anything that affects a visit with the institution directly.

What makes the Sierra Conservation Center different

the Sierra Conservation Center does not operate as an ordinary general-population prison. Its designated role is wildland firefighter training for the whole state, and that changes what you should expect from it.

The centre is the training site for incarcerated wildland firefighters for all of California, run jointly with CAL FIRE. Of the 30 adult male conservation camps, it operates 26 with CAL FIRE and four with the Los Angeles County Fire Department.

If your family member is here for a medical or mental-health reason rather than a custody one, ask specifically which unit they are on. That single answer determines their visiting schedule, their phone access, and who you need to speak to about their care.

Who runs the Sierra Conservation Center

The senior official on site is Joshua Prudhel, in post since May 2025. Naming the warden is not just trivia: correspondence about a serious unresolved problem should be addressed to that post rather than to the institution generally, because a letter to a named office creates a record that a call to a switchboard does not.

The institution's main line is (209) 984-5291. Use it for anything urgent — a medical emergency, a safety concern, confirming whether visiting is running — and ask for the watch commander or the shift supervisor rather than leaving a message with whoever answers.

Education, training, and work at the Sierra Conservation Center

Academic programming at the Sierra Conservation Center includes Adult Basic Education I, II and III, GED classes and community college coursework. Enrolment is rarely immediate — most institutions run waitlists, and assignment depends on custody level, sentence length, and prior testing. If your family member wants a place, the request has to come from them through their assigned counsellor; a call from outside will not add someone to a list.

Vocational and career technical training on site includes Auto Body and Fender, Auto Mechanics, Welding, Masonry, Carpentry, Computer Related Technology and Laborer. These carry more weight than general programming, because completion is documented and can matter at a parole or release review as evidence of work done inside.

The facility also operates prison industry work assignments: textiles and sewing. These are paid positions, at correctional pay rates rather than market wages, and the earnings usually route into a trust account your family member can spend at the commissary. A work assignment is also the most common reason someone becomes hard to reach during the day.

Visiting the Sierra Conservation Center: the current schedule

the Sierra Conservation Center receives visitors on Friday, Saturday and Sunday, with in-person visits offered for a minimum of two hours, though the exact session length varies by institution and availability.

Two things about that schedule are worth knowing before you drive. Published hours are when the visiting room is open, not when you can arrive — processing closes well before the room does, and arriving inside the last hour often means being turned away. And a published schedule is suspended more often than it is changed: lockdowns, staffing shortages, and medical isolation all cancel visiting at short notice, usually without the website being updated.

Visiting is booked through the department's Visitation Scheduling Application. The booking window opens eight days before the visit and closes five days before it, and the daily request period opens at 6:00 a.m. for northern institutions, 6:30 a.m. for central, and 7:00 a.m. for southern, running to 11:59 p.m. Only people already approved as visitors can book, so the approval application has to be granted before any date can be reserved. Visits can be cancelled at any time for health and safety reasons, and can be ended early if staff see a visitor or a resident showing symptoms of a contagious illness.

Call the institution the morning you travel and ask specifically whether visiting is running on your family member's yard or unit — not whether the prison is open. Those are different questions, and the second one gets a misleadingly reassuring answer.

Your first steps

If someone you love has just arrived at SCC, focus first on the essentials: write down their CDCR number and current housing (main institution or camp), request CDCR Form 106 for visitor approval and register with the VSA at cdcr.gtlvisitme.com/app, set up Connect Network or JPay for deposits knowing California withholds 50 percent for restitution, and mail to PO Box 497, Jamestown, CA 95327 until you have a camp address. Take advantage of free calls since 2023, and be patient during active fire deployments. Our guides on life after prison, finding work after prison, and applying for SNAP, Medicaid, and TANF after release cover what comes next as a release date approaches.

Fire-camp life: what changes for a loved one assigned to a camp

If your loved one is assigned from SCC to a specific conservation camp, several things shift meaningfully. Camp housing is dormitory-style rather than the celled housing of many CDCR institutions, with a more integrated crew structure organized around fire-response readiness. Daily work is physically demanding — fire-line labor, brush clearance, training exercises, and fitness maintenance — and camp pay rates are meaningfully higher than typical prison-work assignments. During active fire deployments, crews can be on the fire line for extended stretches (sometimes 24-72 hours or more), during which family contact is limited by the operational tempo of the fire. Between deployments, camp life is more open than main-institution life but still structured around crew readiness and training schedules.

Post-release firefighting career paths

One of the meaningful downstream benefits of the SCC conservation-camp track is that the firefighting training incarcerated participants receive can, in some cases, translate into post-release employment in the fire services. California has specific legal provisions that ease the path for formerly incarcerated firefighters to obtain relevant EMT certifications after release — a change that came in through California legislation aimed at removing arbitrary barriers to fire-service employment for people who trained inside as camp firefighters. Not every SCC-trained firefighter pursues a post-release fire career, but the option exists and represents one of the more direct pathways from prison programming to skilled employment in the current California job market.

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Frequently Asked Questions

What are the visiting hours at the Sierra Conservation Center (SCC)?
Visits at SCC are held on Saturdays, Sundays, and observed holidays and must be scheduled in advance through CDCR's VSA at cdcr.gtlvisitme.com/app. You must be an approved visitor on the inmate's list first, which starts with CDCR Form 106.
What is the mailing address for an SCC inmate?
PO Box 497, Jamestown, CA 95327, addressed to the inmate's full name and CDCR number with the yard/housing. If your loved one is assigned to a conservation camp, ask him for the camp's separate mailing address. The physical facility address is 5100 O'Byrnes Ferry Rd, Jamestown, CA 95327.
How do I send money to an SCC inmate?
Use electronic deposit through Access Corrections' Connect Network or JPay, or mail a check/money order payable to JPay to JPay, 2202 South Figueroa St, Box #3001, Los Angeles, CA 90007. California withholds 50 percent of any non-exempt deposit toward restitution.
How do I find an inmate at SCC?
Use the California Incarcerated Records and Information Search (CIRIS) at cdcr.ca.gov, or search the person by name on AllRecentArrests.us.

Inmates at CDCR - Sierra Conservation Center (SCC)

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Map and Driving Directions

CDCR - Sierra Conservation Center (SCC) is located at 5100 O'Byrnes Ferry Rd in California. Always confirm visiting hours by calling 209-984-5291 before you travel.

Location map for CDCR - Sierra Conservation Center (SCC), California
Exhibit B Approximate location — 5100 O'Byrnes Ferry Rd

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About This Guide

This guide was compiled by our editorial team from official agency sources for CDCR - Sierra Conservation Center (SCC) and the providers listed below, then cross-checked by members of the AllRecentArrests community. Our editorial standards set out how facts are sourced and dated, and how to request a correction.

Sources used in this guide
Verify before you rely on this. Policies, visiting hours, approved vendors, and mailing rules change, and many differ by facility and custody level. Confirm current details directly with CDCR - Sierra Conservation Center (SCC) at 209-984-5291 before traveling, mailing, or sending money.