Did you know the RTD bus and rail services are free (yes, free!) for the rest of the month? This is one of our favorite hikes to get to via public transit. Here are a few more: Chautauqua Park Apex Park Lost Lake (Eldora) Eldorado Canyon State Park Green Mountain (Lakewood/Boulder) Manitou Incline  Cherry Creek State Park North Table Mountain Rocky Mountain National Park Maroon Bells Boulder Creek #ReadySetCO