How many kilometers did Rongcheng Phoenix Lake circle?

3.7 kilometers. Baidu map shows that the total area of Phoenix Lake is 15000 mu, so Rongcheng Phoenix Lake is 3.7 kilometers. Phoenix Lake is located in Rongcheng, Weihai, Shandong Province. Rongcheng Phoenix Lake is a national AAA-level tourist attraction, located in Rongcheng Shidao Management Zone, a provincial-level fishery leisure demonstration site. Phoenix Lake was originally a saltwater lake connected with the sea.