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Become a Member, Donate or Buy Your Annual Pass
Compre un pase o una membresía

Your Donation Supports Park Operations, Accessibility and Amenities



Subtotal $100.00

Total Amount: $100.00



Low Income Annual Pass | Pase anual para personas con ingresos limitados

Annual Pass for Sonoma and Napa County Residents with Limited Income.

Pase anual para residentes con ingresos limitados en los condados de Sonoma y Napa. Para más información, haga clic aquí.

Annual Pass

At only $49, the Annual Pass is a great value. It is valid for passenger vehicle or motorcycle entry at Sugarloaf Ridge State Park and Jack London State Park. Pass holders get $10 off non-reservation camping during off-peak times.

Not valid for camping, extra vehicle fees, other supplemental fees. Park admittance is subject to available space. No commercial use. 

Oak Membership

Annual Pass plus 50% off organized hikes (excluding Fireworks Hike, Brunch on Bald, and Headwaters to Headwaters Hike).

Big Leaf Maple Membership

Oak level benefits plus free 2 night Glamping Package, which includes a campsite, free tent rental, and tent set up. (Choice of 4 or 6 person Marmot tent) and a S’mores kit (firewood and all the S’mores fixings). Note: Glamping package available Sun-Thurs nights during busy season and any day of the week Nov-Feb, holidays excluded.

Sequoia Membership

Big Leaf Maple level benefits plus an invitation to an annual member appreciation event.

Donations are tax-deductible. Sonoma Ecology Center is a nonprofit organization under section 501(c)(3) of the IRS tax code. Federal EIN# 94-3136500.

Other Ways to Give


This year those age 70 and older may want to consider making a meaningful, tax-efficient gift to Sonoma Ecology Center using funds from their traditional or Roth IRA. With this way of giving you can:

  • Make tax-free gifts each year from your IRA withdrawals by having a portion transferred directly to SEC (up to $100,000 per year for an individual; $200,000 per couple with separate IRAs).
  • Use your Required Minimum Distribution for you gift to avoid taxes on the transfer of funds.
  • Avoid increasing your adjusted gross income and potentially subjecting your Social Security income to a higher level of taxation by giving directly from your IRA.
  • Provide a generous gift to SEC.

Please contact tiffany@sonomaecologycenter.org if we can provide more information to you or your advisors.


Each stock gift we handle strengthens our programmatic work while providing tax benefits for supporters.

Below are step-by-step instructions to help you take advantage of this gift planning opportunity:

Give your broker the following information to transfer a gift of stock to the Sonoma Ecology Center:

  1. The Sonoma Ecology Center’s brokerage account is with Charles Schwab Co. Inc.
  2. The Sonoma Ecology Center’s account number is 5655-2785.

Either you or your broker must contact us via email at tiffany@sonomaecologycenter.org or call 707-996-0712 with the name of the stock and the number of shares being transferred. This ensures the gift is properly credited and acknowledged.

When Sonoma Ecology Center receives a stock gift, our policy is to sell the stock as near as possible to the date of the gift.