Simplify the following text for a Grade 5 native English-speaking person.
Original: The Lost Jim Lava Flow north of Kuzitrin Lake is a lava field formed roughly 1,000 to 2,000 years ago , which covers roughly 88 s. Several geothermal hot springs are located throughout the peninsula , including Serpentine Hot Springs , Pilgrim Hot Springs , Granite Mountain , Elim , Clear Creek and Lava Creek .
Simplified: There is also a big lava flow called The Lost Jim Lava Flow . Several hot springs are located throughout the peninsula as well .