If you look on the left-hand side bar under 'My calendars' there should be a Tasks calendar. Hover over and see click on the vertical dots that appear (Options for Tasks). The First option there should be 'Switch to Reminders'.

[!['Options' button in Task Calendar][1]][1]
[!['Go to Reminders' button on Task Calendar options][2]][2]


 [1]: https://i.sstatic.net/fvPgx.png
 [2]: https://i.sstatic.net/fy9oO.png