delÂ·eÂ·teÂ·riÂ·ous. adj. Having a harmful effect; injurious: the deleterious effects of smoking.
Portage is a city in Kalamazoo County in the U.S. state of Michigan. The population was 46,292 in the 2010 census. It is the smaller of the two main cities included in the Kalamazoo-Portage Metropolitan Statistical Area, which has a population of 326,589 as of 2010. Portage is adjacent to the southern boundary of the City of Kalamazoo.
Most of the sites have barrier-free access and can be enjoyed year-round. While traveling the Scenic Byway, tune your radio to 1610 AM for information on what to see and do in the area. The Byway is located in Iosco County, Michigan. The nearest communities are Hale to the west, Glennie to the north, Tawas to the southeast and Oscoda to the east.