Right click and Press ‘Copy Link Address’ for the URL that you want!
1. Copy the URL above that you want to add to your iPhone
2.On your iPhone tap the Settings icon, then scroll down and select Calendars.
3. Press Accounts
4. Select Add Account and select Other
5. Select the Add Subscribed Calendar option, fill in the Google Calendar URL in the Server box and click Next. Change any settings you see fit before saving the calendar. You do not need a username or password.