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Organization Location Revenue Expenses Assets Program Fundr. cost Employees Type Follow
Crystal Cove Conservancy To promote educational and interpretative activities of the california state park system at CRYSTAL COVE… 33-0878633 · FY2023 Newport Coast, CA $16.2M $12.0M $10.9M 94% 4% 38 501(c)(3)
Great Smoky Mountains Association To support the GREAT SMOKY MOUNTAINS national park. 62-0576032 · FY2024 Gatlinburg, TN $8.8M $9.3M $14.2M 77% 0% 109 501(c)(3)
The American Alpine Club To share and support our passion for climbing information, knowledge, & resources that benefit and inspire… 13-1611981 · FY2023 Golden, CO $7.9M $5.5M $10.7M 76% 7% 41 501(c)(3)
The Mountaineers The MOUNTAINEERS mission is to enrich the community by helping people explore, conserve, learn about and… 27-3009280 · FY2023 Seattle, WA $7.8M $7.7M $18.2M 80% 12% 118 501(c)(3)
Walking Mountains To awaken a sense wonder and inspire environmental stewardship and sustainability through natural science… 84-1436731 · FY2024 Avon, CO $5.8M $6.3M $27.8M 69% 12% 87 501(c)(3)
Santa Fe Mountain Center INC SANTA FE MOUNTAIN CENTER, INC. Has, since 1979, been dedicated to promoting personal discovery and social… 85-0272388 · FY2023 Tesuque, NM $4.8M $4.1M $6.1M 88% 2% 90 501(c)(3)
Cradle of Forestry in America Interpretive Association To provide all people with educational, recreational and INTERPRETIVE opportunities about natural resources… 56-1302500 · FY2024 Pisgah Forest, NC $4.6M $4.3M $3.5M 92% 1% 134 501(c)(3)
Sierra Buttes Trail Stewardship To maintain and enhance trails across usfs lands. Work includes restoring and rehabilitating historic trails… 72-1579038 · FY2024 Quincy, CA $3.4M $3.3M $1.8M 95% 0% 43 501(c)(3)
Mountain Watershed Association INC Promote the conservation, restoration and protection of watersheds by conducting education, outreach… 25-1730301 · FY2024 Melcroft, PA $2.5M $2.1M $4.3M 84% 3% 18 501(c)(3)
The California Desert Land Conservancy 72-1603033 · FY2024 Joshua Tree, CA $2.5M $2.3M $72.6M 72% 9% 38 501(c)(3)
Mountain Area Youth Organization To develop and coordinate educational and recreational programs to benefit the MOUNTAIN AREA YOUTH 77-0518514 · FY2024 Oakhurst, CA $2.0M $2.0M $304.5K 100% 0% 14 501(c)(3)
National Association for Interpretation To inspire leadership and excellence to advance heritage INTERPRETATION as a profession. 84-1036938 · FY2023 Fort Collins, CO $1.9M $2.1M $1.1M 78% 2% 9 501(c)(3)
Eastern Sierra Interpretive Association To educate and inspire people about EASTERN SIERRA region, to encourage them to get to know the area better… 23-7253530 · FY2024 Bishop, CA $1.4M $1.5M $759.5K 82% 0% 41 501(c)(3)
San Luis Valley Great Outdoors At slv go! Our mission is to connect people to the OUTDOORS by expanding opportunities for trails, parks, and… 82-2360438 · FY2024 Alamosa, CO $1.2M $1.2M $1.0M 73% 0% 30 501(c)(3)
Death Valley Conservancy To preserve and support DEATH VALLEY national park and its resources and surrounding communities. 26-2551221 · FY2024 Pasadena, CA $1.1M $1.1M $30.2M 82% 0% 4 501(c)(3)
Great Smoky Mountain Heritage Center INC To preserve, protect, and promote the unique history and rich culture of the people who inhabited the… 62-1821411 · FY2024 Townsend, TN $912.9K $925.3K $4.1M 80% 0% 18 501(c)(3)
Mountain Parks Foundation of Santa Cruz Provide resources to enrich visitors' experiences by expanding their knowledge and appreciation of the… 23-7275572 · FY2025 Felton, CA $906.5K $644.8K $2.2M 90% 0% 4 501(c)(3)
Mount Pisgah Arboretum Our mission is to engage people with nature through interactive learning and stewardship. 23-7345974 · FY2024 Eugene, OR $902.2K $1.0M $2.4M 64% 15% 9 501(c)(3)
American Hiking Society To empower all to enjoy, share, and preserve the HIKING experience. 51-0211993 · FY2024 Silver Spring, MD $896.4K $884.1K $883.8K 69% 16% 11 501(c)(3)
Mountain Area Land Trust MOUNTAIN AREA LAND trust's mission is to save natural areas, wildlife habitat, streams and rivers, working… 84-6256809 · FY2024 Evergreen, CO $869.4K $2.5M $3.8M 95% 3% 9 501(c)(3)
San Bernardino Mtns Wildlife Society Wildhaven Ranch To provide a protective environment where non-releasable wild animals can live out their lives in safety and… 33-0612093 · FY2023 Lake Arrowhead, CA $752.1K $228.1K $1.8M 75% 0% — 501(c)(3)
Americas Wildlife Association for Resource Education Aware The purposes of the ASSOCIATION are: to provide current information to the public relating to scientific… 52-1105734 · FY2024 Washington, DC $682.4K $600.7K $569.2K 100% 0% — 501(c)(3)
Coastside State Parks Association Our mission is to inspire public appreciation and stewardship of the natural resources and cultural heritage… 94-3130418 · FY2024 Pescadero, CA $551.4K $762.8K $1.3M 97% 0% 4 501(c)(3)
Calaveras Big Trees Association Promote and support educational and interpretive activities of CALAVERAS BIG TREES state park. 23-7405964 · FY2022 Arnold, CA $543.6K $621.8K $867.1K 66% 6% 5 501(c)(3)
Humboldt Redwoods Interpretive Association Provide INTERPRETIVE materials on redwood state parks 94-2598084 · FY2024 Weott, CA $446.0K $312.9K $835.9K 57% 2% 4 501(c)(3)
Greater Arkansas River Nature Association To inspire those who live, work or play in the upper ARKANSAS valley to take care of its natural resources… 84-1321011 · FY2024 Salida, CO $427.7K $552.9K $135.0K 81% 2% 9 501(c)(3)
Boulder Climbing Community Stewardship of climbing access areas and climbing access trails. 45-3623399 · FY2024 Boulder, CO $422.0K $471.5K $124.3K 68% 16% 9 501(c)(3)
Mount Shasta Trail Association INC We provide inspiring outdoor experiences, advance appreciation of the beauty of the mt SHASTA area, and… 68-0191626 · FY2024 Mount Shasta, CA $408.3K $172.2K $527.0K 97% 0% — 501(c)(3)
San Bernardino Mountains Land Trust Acquire natural lands for conservation protection in the SAN BERNARDINO national forest primarily for… 33-0700417 · FY2024 Lk Arrowhead, CA $304.4K $182.0K $13.8M 96% 0% 4 501(c)(3)
San Francisco Bay Wildlife Society Nurture in the public an understanding, appreciation, and stewardship of the San Francisco Bay National… 94-3039253 · FY2024 Newark, CA $201.4K $233.4K $215.5K 79% 2% 9 501(c)(3)
Mount Shasta Bioregional Ecology Center Mt. Shasta Bioregional Ecology is a community of people inspired to honor, protect, and restore our… 68-0233272 · FY2024 Mount Shasta, CA $191.2K $218.2K $256.4K 60% 6% 6 501(c)(3)
Maine Mountain Collaborative Land conservation and stewardship 81-3548148 · FY2024 Portland, ME $166.4K $352.3K $184.2K 89% 0% 1 501(c)(3)
Scenic Pittsburgh To protect, preserve, and promote the SCENIC resources of southwestern pennsylvania. 47-2777641 · FY2024 Pittsburgh, PA $161.5K $259.1K $36.0K 60% 24% 4 501(c)(3)
San Luis Valley Ecosystem Council 84-1434755 · FY2024 Alamosa, CO $132.6K — $24.3K — — — 501(c)(3)
Black Diamond Resource Conservation and Development Council Enviromental organization 54-1685699 · FY2023 Big Stone Gap, VA $92.7K — $18.4K — — — 501(c)(3)
Middle Mountain Interpretative Hikes 32-0454378 · FY2025 Yuba City, CA $70.2K — $103.8K — — — 501(c)(3)
Mt San Jacinto Natural History Association 95-3389885 · FY2025 Palm Springs, CA $68.4K — $207.1K — — — 501(c)(3)
White Mountains Interpretive Association 22-2603114 · FY2024 Conway, NH $58.2K — $156.1K — — — 501(c)(3)
San Gabriel Mountains Heritageassociation 20-4366810 · FY2025 Mt Baldy, CA $57.3K — $64.8K — — — 501(c)(3)
2,046,138
nonprofits
212,946
funders
12,515,252
grants
22,549,931
directors
214,365
service providers
549,896,012
financial lines
Public data from IRS Form 990 e-file & Business Master File. A 990 shows reported financial activity, not measured program outcomes. Assets are from the IRS BMF and may lag the latest filing; fundraising cost is fundraising expenses as a share of total expenses. · philanthropy.org