"Final refuge" refers to a last place of safety or comfort that one turns to when all other options have been exhausted. It is the ultimate source of solace or protection where someone seeks solace or shelter as a final resort. Full definition
The group tries to place the 8 - to 12 - year - olds they rescue from shelters and find final refuge homes for those over 12. (sandiegouniontribune.com)
Eventually, the final refuge of speculation is to abandon historically reliable measures wholesale, resting faith instead on the advent of some new era in which the old rules simply don't apply. (hussmanfunds.com)
But lately, Mr. McMullin, 40, has been drawing big crowds in Utah and thousands of online supporters who see his moonshot run for president as a final refuge for «Never Trump» conservatives. (nytimes.com)