[[File:Echo River 3.png|thumb|right|300px|The [[Mucky Mammoth]] sailing down the Echo]]The '''{{todoPAGENAME}}''', often referred to as simply '''the Echo''', is an underground river flowing out of [[Category:LocationsLake Lethe]], and the central setting of [[Category:Act IV]][[Category:Echo River|*]].
==Flora and Faunafauna==
Bats and insects are found along the river. In addition, multiple species of birds including the Lonesome Teal, American Gridpiper, Rock Sparrow, Gray-beaked Grouse, Mourning Hummingbirds, unidentified pigeon species, Painted Avocet, and Peat-breathed Riverbill.
==Locations along the Echo==
*A [[gas station]]*The [[Rum Colony]]*The [[Radvansky Center]]*A [[phone]]*A [[grove]]*[[Echo River Central Exchange]] ("Consolidated Auxiliary Switch Number 30", and formerly the Echo River Avian Post)*[[Sam & Ida's]]*A [[neighborhood]]*The [[Silo of Late Reflections]]*The ''[[Iron Pariah]]''*Various shops**Trapper, Stalker & Sportsman**Gemini Canoe & Firewood / Gemini School of Beauty **The Sweater Shoppe / The Balloon Barn (formerly)**Ratliff Monuments*Wayfinding points**Dinosaur Rock**Duck Island**The Lighthouse**The Story Cliff*Underwater IslandsVarious underwater islands
**Slate Island
**The Red Island
**Fancy Island
**Tearless Rock
**Part-time Island [if island**Murphy's Weather Station Rock**Whippoorwill Islet**Rock of Magnets**Island of Trivia**Island of 60 KHz**Island of 350 and 440Hz**Island of Interfering Tones**Island of Eusapia**Despina Dockyards**Baucis Keys**Fish-11]Jaw Coral**Angled Island**Islet of Distraction**Endless Island**Soggy Island**Jerry's Island**Ted's Island**Nelson's Island**Serious Island**Island of Ringing**Undocumented Island**Overdraft Island**Islet of Overemphasis**Island of Heartsickness**Dog Shit Island**The Beasley Keys**Hermit Thrush Island**The Missing Island**Island of Cones**The Undefinable Island**Béton Island**Bear Island**Implied Island**Rock of Boredom**Loose-Tooth Rock**Water Tree Keys**Chorus Keys**The Doubtful Island**Island of Negative Space
Murphy's Weather Station Rock [if island-12] Whippoorwill Islet [if island-13Category:Locations] Rock of Magnets [if island-14] Island of Trivia [if island-15] Island of 60 KHz [if island-16Category:Act IV] Island of 350 and 440Hz [if island-17] Island of Interfering Tones [if island-18] Island of Eusapia [if island-19Category:Echo River|*] Despina Dockyards [if island-20] Baucis Keys [if island-21] Fish-Jaw Coral [if island-22] Angled Island [if island-23] Islet of Distraction [if island-24] Endless Island [if island-25] Soggy Island [if island-26] Jerry's Island [if island-27] Ted's Island [if island-28] Nelson's Island [if island-29] Serious Island [if island-30] Island of Ringing [if island-31] Undocumented Island [if island-32] Overdraft Island [if island-33] Islet of Overemphasis [if island-34] Island of Heartsickness [if island-35] Dog Shit Island [if island-36] The Beasley Keys [if island-37] Hermit Thrush Island [if island-38] The Missing Island [if island-39] Island of Cones [if island-40] The Undefinable Island [if island-41] Béton Island [if island-42] Bear Island [if island-43] Implied Island [if island-44] Rock of Boredom [if island-45] Loose-Tooth Rock [if island-46] Water Tree Keys [if island-47] Chorus Keys [if island-48] The Doubtful Island [if island-49] Island of Negative Space [if island-50]**