Webas one of the classic trails in zion national park, the emerald pools trail features breathtaking sceneries, glistening pools, and sparkling waterfalls. It also doesn’t require. Webthe lower emerald pool is the easiest to reach out of the three natural pools on this trail combination, with each subsequent pool becoming a slightly more. Webthe emerald pools trail, zion, includes the lower emerald pools, upper emerald pools and the kayenta trail which you can take to make a loop, rather than.