Maine River Study Appendix F - Rivers with Undeveloped Corridors Average Length Segment Description Development County(s) Miles Pts/Mile River Name Allagash River St John River to Telos Lake 9 Aroostook /Piscataquis 102 Musquacook Stream Allagash River to Clear Lake 4 Aroostook /Piscataquis 27 Chemquasabamticook Stream Long Lake to Ross Lake 7 Aroostook /Piscataquis 21 Allagash Stream Chamberlain Lake to headwaters 1 Piscataquis 23 Aroostook River Sheridan to Washburn 28 Aroostook 17 Aroostook River Masardis to Millinocket Stream 5 Aroostook 32 Millinocket Stream Confluence with Aroostook River to Millinocket Lake 6 Aroostook 5 Munsungan Stream Confluence with Aroostook River to Munsungan Lake 4 Aroostook 6 Machias River Aroostook River to headwaters of Big Machias Lake 7 Aroostook 40 Big Wilson Stream Sebec Lake to Lower Wilson Pond 14 Piscataquis 19 Little Wilson Stream Confluence with Big Wilson Stream to headwaters 3 Piscataquis 8 Chandler River Deep Hole Point to headwaters 21 Washington 15 Cupsuptic River Cupsuptic Lake to headwaters 7 Oxford 20 Dead River Kennebec River to Flagstaff Lake 19 Somerset 24 Enchanted Stream Dead River to headwaters 1 Somerset 9 Spencer Stream Dead River to headwaters 9 Somerset 18 Little Spencer Stream Spencer Stream to Spencer Lake 1 Somerset 6 Kibby Stream Spencer Stream to headwaters 9 Somerset /Franklin 9 North Branch Dead River Tim Brook to headwaters of Chain of Lakes 17 Franklin 20 Tim Brook North Branch Dead River to headwaters 8 Franklin n/a South Branch Dead River Flagstaff Lake to headwaters of Saddleback Lake 18 Franklin n/a Dennys River Dennysville Station to headwaters of Meddybemps Lake 7 Washington n/a Cathance Stream Dennys River to Lake Cathance 11 Washington 13 Fifteenth and Sixteenth Streams Meddybemps Lake to headwaters 5 Washington 10 East Machias River Hadley Lake to Pocomoonshine Lake including Maine River 3 Washington 28 Fish River St Froid Lake to Portage Lake 16 Aroostook 7 Red River St Froid Lake to headwaters 3 Aroostook 14 Rocky Brook St Froid Lake to headwaters 2 Aroostook 9 Fish River Portage Lake to hedwaters of Mud Pond 7 Aroostook 18 Mosquito Brook Fish River to headwaters 3 Aroostook 9 Smith Brook Fish River Lake to headwaters 1 Aroostook 6 Fox Brook Fish river to headwaters of North and South Branches 1 Aroostook 15 Kennebago River Cupsuptic Lake to Big Island Pond 13 Oxford /Franklin 21 Kennebec River The Forks to Harris Dam 6 Somerset 12 Cold Stream Kennebec River to headwaters 2 Somerset 12 Moxie Stream Kennebec River to Moxie Pond 3 Somerset 5 Average Length Segment Description Development County(s) Miles Pts/Mile River Name Machias River Whitneyville to Fifth Machias Lake 11 Washington 72 West Branch Machias River Machias River to headwaters of Lower Sabao Lake 6 Washington 10 New Stream and Old Stream Machias River to headwaters of Old Stream 3 Washington 19 Magalloway River Upper Aziscohos Lake to headwaters to Second East Branch 10 Oxford 18 Mattawamkeag River Mattawamkeag to Haynesville 26 Penobscot /Aroostook 46 Confluence with Mattawamkeag River to headwaters of East Molunkus Stream Branch 11 Penobscot /Aroostook 36 Mattakennk Stream Mattawamkeag River to E Branch headwaters 4 Penobsoct 15 Mattaqodus Stream Mattawamkeag River to headwaters of West Branch 3 Penobsoct 14 Macwahoc Stream Confluence with Mattawamkeag River to headwaters 16 Penobscot /Aroostook 27 Wytopitlock Stream Mattawamkeag River to Wytopitlock Lake 2 Aroostook 18 Baskehegan Stream Crooked Brook flowage to headwaters 3 Aroostook 22 East Branch Mattawamkeag River Oakfield to headwaters 16 Aroostook 22 West Branch Mattawamkeag River Haynesville to headwaters 10 Aroostook 40 Fish Stream West Branch Mattawamkeag River to Patten 18 Aroostook 17 North Branch Meduxnekeag River Canadian border to headwaters 13 Aroostook 22 Moose River Attean Pond to Canadian border 15 Somerset /Oxford 38 Narraguagus River Cherryfield to East Branch headwaters 17 Washington 44 Schoodic Brook Confluence with Narraguagus River to Schoodic Lake 5 Washington 5 East Branch Nezinscot River East Sumner to headwaters 16 Oxford 12 West Branch Nezinscot River Buckfield to headwaters 29 Oxford 17 Little Ossipee River Saco River to Flowage Dam 17 Oxford 9 Passadumkeag River Passadumkeag to headwaters 16 Penobscot /Hancock 41 Cold Stream Passadumkeag River to Cold Stream Pond 15 Penobscot 6 East Branch Penobscot River Confluence with Hay Brook to Grand Lake Matagamon 4 Penobscot 30 Wassataquoik Stream East Branch Penobscot River to headwaters 3 Penobscot /Piscataquis 30 Webster Brook Grand Lake Matagamon to Telos Lake including Webster Lake 1 Piscataquis 14 East Branch Penobscot River to headwaters of Grand Lake Seboeis River Seboeis 4 Penobscot 36 Sawtelle Brook Sebeois River to headwaters 8 Penobscot 15 Shin Brook Seboeis River to headwaters 24 Penobscot 12 North Branch Penobscot River Seboomook Lake to headwaters 11 Somerset 20 South Branch Penobscot River Seboomook Lake to headwaters 17 Somerset 28 West Branch Penobscot River Ambajejus Lake to Ripogenus Dam 28 Piscataquis 21 Nesowadnehunk Stream West Branch Penobscot River to Nesowadnuhunk Lake 16 Piscataquis 14 Katahdin Stream West Branch Penobscot River to headwaters 8 Piscataquis 8 Debsconeag Stream Debsconeag Deadwater to Eighth Debsconeag Pond 2 Piscataquis 10 Abol Stream West Branch Penobscot River to headwaters 1 Piscataquis 12 Upper West Branch Penobscot River Chesuncook Lake to Seboomook Lake 6 Piscataquis 27 East Branch Piscataquis River Main stem to headwaters 15 Piscataquis 11 West Branch Piscataquis River Main stem to headwaters 10 Piscataquis 15 Average Length Segment Description Development County(s) Miles Pts/Mile River Name West Branch Pleasant River Main stem to Fourth West Branch 12 Piscataquis 32 Gulf Hagas Stream West Branch Pleasant River to headwaters 1 Piscataquis 5 Hay Brook West Branch Pleasant River to headwaters 1 Piscataquis 4 East Branch Pleasant River Main stem to headwaters 16 Piscataquis 22 Pleasant River Columbia Falls to headwaters of Pleasant River Lake 14 Washington 30 Presque Isle Stream Grindstone to headwaters 3 Aroostook 12 Rapid River Umbagog Lake to Lower Richardson Lake 15 Oxford 5 Roach River Moosehead Lake to Seventh Roach Pond 7 Piscataquis 26 Saco River Hiram to Fryeburg 22 Oxford 22 Kezar River Old Course Saco River to headwaters 12 Oxford 16 St Croix River Grand Falls Flowage to Vanceboro 7 Washington 28 St Francis River Estcourt to confluence with St John River 3 Aroostook 35 Falls Brook St Francis River to Falls Pond 1 Aroostook 8 St John River Dickey to Baker Branch 9 Aroostook 77 Big Black River St John River to Canada 4 Aroostook 29 Little Black River St John River to headwaters 8 Aroostook 27 Northwest Branch of St John River St John River to Beaver Pond 8 Aroostook 14 Southwest Branch of St John River Baker Branch to St Camille Bridge 7 Somerset 34 Baker Branch St John River to First (Upper) St John Pond 7 Aroostook 46 Socatean Stream Moosehead Lake to headwaters 2 Somerset 10 Tomah Stream Grand Falls Flowage to headwaters 9 Washington 32 West Branch Union River Graham Lake to headwaters of Great Pond 16 Hancock 24 East Branch Union River Graham Lake to headwaters of Rocky Pond 5 Hancock 18 Middle Branch Union River East Branch to headwaters of Upper Middle Branch Pond 7 Hancock 11.