Ashtabula, Ohio is a city located on the shores of Lake Erie in northeastern Ohio. The climate in Ashtabula is classified as a humid continental climate, with warm summers and cold winters. The city is home to several waterways, including the Ashtabula River and Conneaut Creek, which are monitored for hydrology constituents such as nitrogen, phosphorus, and sediment. Outdoor recreation opportunities in Ashtabula include boating and fishing on Lake Erie and hiking and birdwatching in local parks, including the Ashtabula County Metroparks and the Western Reserve Greenway. In addition, the city is home to the Ashtabula Harbor Historic District, which features a variety of shops, restaurants, and historic buildings.