Elaine Shantz and Miriam Turnbull have already raised more than $80,000 for the GROW project in Ghana that is sponsored by Mennonite Economic Development Associates of Waterloo.
Shantz, who has also hiked in Peru and Spain, is chief executive officer of peopleCare Communites.
Turnbull is general manager of ProResp which provides respiratory therapy services.
The two have been joined along the Bruce Trail trek by many supporters.
The GROW project in Ghana is helping women farmers to grow and market soybeans.