Who We Are

The Ontario Land Trust Alliance (OLTA) represents the network of land trusts across Ontario. Land trusts are community based, non-profit organizations primarily focused on protecting significant natural landscapes for future generations. They also provide protection to important agricultural lands and cultural heritage features. More than 85,000 acres of significant natural lands and sensitive wildlife habitat has been protected through the actions of Ontario’s land trusts.

OLTA promotes excellence in land conservation throughout its land trust member network by providing professional support and assistance, securing funding, promoting organizational excellence and representing the collective voice of the land trusts.

Ontario Land Trust Alliance currently requires all of its Land Trust Members to adopt the Canadian Land Trust Standards and Practices.

OLTA is a registered charity – 869437517RR0001.


To strengthen land conservation in Ontario by building and supporting a strong land trust movement.


OLTA works to advance overall excellence in community land conservation in Ontario as a nonpartisan and independent organization that promotes best practices and organizational excellence. It aggregates and shares land trust data and partners in research and education to contribute conservation planning expertise. It also continues to operate and expand as a trusted funding program administrator to support the sector.


OLTA was established in 1997 as a committee of the Federation of Ontario Naturalists known as the Ontario Nature Trust Alliance with 14 founding members. In July 2002, with a membership of 23 land trusts, it was decided to incorporate as a new independent organization named the Ontario Land Trust Alliance. This change better reflected the activities of all its members, which now included recreational, agricultural and built heritage as well as natural heritage properties.