The ‘2050s’ is projected to increase the number of visitors arriving (defined by 2040 to 2069) reflect average changes projected in Canada by at least one third by the middle of the for the middle of the 21st century (~50 years from now), while century(11,33). [...] The models were then run with the 100,000 three climate change scenarios to project changes in the seasonality and number of people visiting each national and 0 provincial park in the 2020s, 2050s and 2080s. [...] At the provincial level, the Ontario Demographic change Ministry of Tourism and Recreation estimates that this same The proportion of people of Canadian and international tourism market is projected to increase 13% in Ontario and origin visiting Canada’s parks varies by geographic region, decline 6% in the US states that border the Great Lakes(48). [...] Seasonal pattern of visitation (2050s) Most of the national parks in this study are projected to It is also possible that some parks may experience a experience the largest increases in visitation during the reduction in visitation during the summer months (e.g., spring (April to June) and fall (September to November) Pukaskwa) (Figure 7—C). [...] In January and February) (~10% of total annual visits) because the 2080s, the number of people visiting Ontario’s provincial many popular recreation amenities (e.g., campgrounds, parks is projected to increase 27% to 15.1 million under the public beaches) are closed to the public or the parks least change climate change scenario and 82% to 18.5 themselves are closed.