SPREE: South Platte River Environmental Education. Looking for something for your kids to do when school is off but work isn't? ​Have them join SPREE at Johnson Habitat Park during spring break as we uncover the ways the South Platte River ecosystem changes during spring, and solve the mysteries of what plants and animals do this time of year! SPREE holiday camps are fun and educational days filled with games, crafts, adventures and even top secret missions about the environment! SPREE offers school holiday camps for students Kindergarten (must be at least 6)-5th grade at SPREE Headquarters from 8AM to 6PM. The daily schedule will be as follows: 8AM - 9AM: Flexible drop-off time, free explore and craft time 9AM - 3PM: Planned educational activities and adventures by the river 3PM - 6PM: Flexible pick-up time, free explore and craft time All 2017-2018 holiday camps will take place at SPREE Headquarters in Johnson Habitat Park. 610 S. Jason St. Denver, CO 80223