China has now implemented a visa-free policy to 77 countries, including Australia, France, Germany, Italy, the Netherlands, Spain, Malaysia, Switzerland, Ireland, New Zealand, and Australia. If you hold a passport of the 77 listed countries, then you can enjoy your Chongqing vacation without a visa.
Besides that, travelers from 55 eligible countries, including the US and Canada, can also enjoy a 240-hour (10-day) visa-free transit in Chongqing, as long as they leave for the third country within 10 days, with the only Chinese stopover in Chongqing.
Please note: the above visa policy is subject to change according to the Chinese government; please double-check it on the official website before departure.