Foundations
ESRI (Environmental Systems Research Institute)
Early on, MLTPA partnered with Esri's Nonprofit Program to build GIS capacity, which lies at the core of MLTPA's work. Our partnership with ESRI maintain a growing and evolving resource for trails and outdoor recreation data unique to Mammoth Lakes, the Eastern Sierra, and California.
Flora Family Foundation
In 2007, the Flora Family Foundation, a family foundation supporting social progress, environmental well-being, and cultural vibrancy across the world since 1998, made an allocation of $20,000 in grant funds to MLTPA in support of the expansion of trails-based recreation in Mammoth Lakes.
Mary A. Crocker Trust
In 2009, the Mary A. Crocker Trust, the oldest family foundation west of the Mississippi with roots in San Francisco, made an allocation of $2,000 in grant funds to MLTPA in support of the establishment of the Mammoth Lakes Trail System and the expansion of trails-based recreation in Mammoth Lakes.
Virginia Wellington Cabot Foundation
In 2009, the Virginia Wellington Cabot Foundation, that supports Culture and Humanities, Education and Youth, Conservation and Environment, and Health and Human Services made an allocation of $8,750 in matching grant funds to MLTPA in support of the establishment of the Mammoth Lakes Trail System,
John and Mildred Holmes Family Foundation
In 2009, the John and Mildred Homes Family Foundation made an allocation of $5,000 in grant funds to MLTPA in support of the establishment of the Mammoth Lakes Trail System and the expansion of trails-based recreation in Mammoth Lakes.
Last Updated July 24, 2025