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Joshua Tree National Park Association

“Support education, research, and conservation at Joshua Tree National Park.”

1 funder on the record, 89 cents of every dollar to the work.

Home groundJoshua Tree, CA
Founded1962
Tax status501(c)(3)
Led byJacqueline Guevara

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The work

What they do

Official cooperating association for Joshua Tree National Park. Operates bookstores and funds research, education, and conservation programs.

Where the money went, FY2025

The work, and what it cost

The development program serves as the membership arm of the

$410K, 9% of spending

The development program serves as the membership arm of the Joshua Tree National Park Association and a fundraising entity for joshua tree National Park.

Read it as they filed it
THE DEVELOPMENT PROGRAM SERVES AS THE MEMBERSHIP ARM OF THE JOSHUA TREE NATIONAL PARK ASSOCIATION AND A FUNDRAISING ENTITY FOR JOSHUA TREE NATIONAL PARK. THE PROGRAM ACHIEVES ITS GOALS VIA A VARIETY OF METHODS, INCLUDING SPECIAL EVENTS, MEMBERSHIP DRIVES, DONATION BOXES, PRIVATE DONATIONS, AND MEMORANDA OF INTENT. AN ANNUAL WORK PLAN IS AUTHORED BY PARK PERSONNEL EACH FISCAL YEAR TO DELINEATE PARK NEEDS AND FUNDING GOALS FOR THAT YEAR. PROGRAMS FUNDED RANGE FROM WILDLIFE RESEARCH AND PRESERVATION TO THE JUNIOR RANGER PROGRAM TO THE DESERT PLANT RESTORATION PROGRAM.

IRS Form 990 Part III for fiscal year 2025, signed under penalty of perjury.

The desert institute is operated by joshua tree national

$349K, 8% of spending

The desert institute is operated by Joshua Tree National Park Association (jtnpa) and serves as an extension of joshua tree National Park’s educational program.

Read it as they filed it
THE DESERT INSTITUTE IS OPERATED BY JOSHUA TREE NATIONAL PARK ASSOCIATION (JTNPA) AND SERVES AS AN EXTENSION OF JOSHUA TREE NATIONAL PARK'S EDUCATIONAL PROGRAM. IT OFFERS CLASSES IN CULTURAL HISTORY, NATURAL SCIENCE, SURVIVAL SKILLS, DESERT NATURALIST STUDIES, WOMEN'S PROGRAMS, CITIZEN SCIENCE, AND CREATIVE ARTS. ALL PROGRAMS ARE TAUGHT BY EXPERT INSTRUCTORS WHO PROVIDE A PERSONAL LEARNING EXPERIENCE ON THESE EDUCATIONAL ADVENTURES. THE DESERT INSTITUTE IS COMMITTED TO PROVIDING A RICH, INCLUSIVE LEARNING ENVIRONMENT AIMED AT INPSIRING PEOPLE OF ALL AGES AND BACKGROUNDS TO APPRECIATE AND PRESERVE CULTURAL RESOURCES AND NATURAL PLACES ASSOCIATED WITH JOSHUA TREE NATIONAL PARK AND SURROUNDING PUBLIC LANDS. DISCOVER JTREE IS JTNPA'S NEWEST PROGRAM. ENTIRELY GRANT-FUNDED, THIS PROGRAM FOCUSES ON IN SCHOOL AND FIELD TRIP PROGRAMMING FOR TK-12TH GRADE STUDENTS IN THE MORONGO BASIN, AS WELL AS PROVIDING PARK RELATED AFTER SCHOOL PROGRAMMING FOR THE MORONGO UNIFIED SCHOOL DISTRICT VIA THEIR ELOP PROGRAM.

IRS Form 990 Part III for fiscal year 2025, signed under penalty of perjury.

Follow the dollar

89 cents of every dollar goes to the work

89¢
89¢ the work9¢ keeping the lights on2¢ raising the next dollar

A good sign, not a scorecard: what matters is the extremes, and this is nowhere near one.

$4,121,265 programs, $408,464 management, $106,701 fundraising. Form 990, FY2025.

The backers

Backed, each with its source, by National Park Foundation, latest filing FY25.

The people

Who does the work

57paid staff
34volunteers last year
13board members
Jacqueline GuevaraExecutive DirectorComp $131,976, FY2025

Honesty note: leadership comes from each year’s federal filing, so it can run a year behind. If it’s out of date, tell us. Work at the Joshua Tree National Park Association? Claim this page.

Those 34 volunteers are people who decided this ground was theirs to defend. If the Joshua Tree National Park Association is fighting for your place too, the matchmaker will find your way in.

Find your way in

The filings

14 years of filings

Total revenue by fiscal year as filed. Point at or tap the line for any year.

$2M$4M$5.2M FY2520112025
Total revenue by fiscal year
YearRevenue
2011$678,842
2012$726,892
2013$716,723
2014$721,775
2015$927,737
2016$1,158,955
2017$1,415,845
2018$1,537,603
2019$1,731,449
2020$1,486,473
2021$2,454,533
2022$3,074,108
2023$3,132,251
2025$5,229,013

From $679K in 2011 to $5.2M in FY25, across 14 public filings (none on record for 2024). FY25 is the highest year on file.

The returns as e-filed with the IRS, 3 years:

Source: IRS Form 990 e-file data, each return by its IRS object id, served by ProPublica Nonprofit Explorer. A year in the chart without a link here is read from a later return’s own history table; its return is on ProPublica’s page for the group.

Their ground

The places they defend

See every threatened place on one map, and who stands for each.

Where and what
Federal landsNational Park Service
Active inCalifornia
Who writes the rules where they work

The California congressional delegation averages 78 of 100 on public lands. See the full scorecard

More groups in California

Get Involved

Where you can help them

Ways in

How to help

Stand with the Joshua Tree National Park Association

The mission is theirs. The backing is yours.

Sources and methodFinancials, headcounts, and program text: IRS Form 990, FY2025 and 13 prior filings via ProPublica Nonprofit Explorer, EIN 95-2312513. Leadership and compensation: Form 990 Part VII and the return’s signature block, FY2025 filing. Grantees: Schedule I, same filing. Funders: the funders’ own returns (Schedule I and 990-PF Part XV) via ProPublica, names and years only. Place links: MTJP editorial curation with per-link sources. Org-reported figures are always labeled. Data verified as of 2026-09-23. No group pays to be listed on this page or for where it sits.