JTP_2851 Published July 7, 2016 at 333 × 500 in Rocky Mountain National Park – Calypso Cascades ← Previous Next → The trail leading to Calypso Cascades inside Rocky Mountain National Park in Colorado on Sunday, July 3, 2016. The trail leading to Calypso Cascades inside Rocky Mountain National Park in Colorado on Sunday, July 3, 2016.