https://slco.org/parks/millcreek-canyon/ https://slco.org/parks/millcreek-canyon/ there's a great hike just outside Salt Lake City that solves this problem by

https://slco.org/parks/millcreek-canyon/ https://slco.org/parks/millcreek-canyon/ there's a great hike just outside Salt Lake City that solves this problem by allowing bikes on even numbered days and off-leash dogs on odd numbered days