Merrimack River

Merrimack River is 156 km long, and has a stream level of 0.

Map of Merrimack River

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Distributaries / Outflows

It has 3 side channels.

Merrimack River flows into the sea: 5,547 km flows in at N 42° 49′ 4″, W 70° 48′ 10″ at OSM node n3396312332.

Tributaries

Merrimack River has 113 tributaries.

Nashua River, which joins it at N 42° 45′ 58″, W 71° 26′ 43″ at OSM node n439957106, and 981 km of total upstream flows in.

Pemigewasset River, which joins it at N 43° 26′ 11″, W 71° 38′ 53″ at OSM node n1454626628, and 930 km of total upstream flows in.

Concord River, which joins it at N 42° 38′ 48″, W 71° 18′ 3″ at OSM node n1449291767, and 805 km of total upstream flows in.

Contoocook River, which joins it at N 43° 17′ 12″, W 71° 35′ 20″ at OSM node n1454626461, and 507 km of total upstream flows in.

Suncook River, which joins it at N 43° 7′ 38″, W 71° 27′ 55″ at OSM node n595484193, and 377 km of total upstream flows in.

Winnipesaukee River, which joins it at N 43° 26′ 11″, W 71° 38′ 53″ at OSM node n1454626628, and 184 km of total upstream flows in.

Piscataquog River , which joins it at the following points: 80 km of total upstream flows in at N 42° 58′ 34″, W 71° 28′ 13″ at OSM node n1454623290 80 km of total upstream flows in at N 42° 58′ 38″, W 71° 28′ 11″ at OSM node n3634871514

Shawsheen River, which joins it at N 42° 42′ 22″, W 71° 8′ 21″ at OSM node n9022960324, and 148 km of total upstream flows in.

Powwow River, which joins it at N 42° 50′ 23″, W 70° 55′ 24″ at OSM node n1449292457, and 132 km of total upstream flows in.

Soucook River, which joins it at N 43° 9′ 28″, W 71° 29′ 41″ at OSM node n439962388, and 117 km of total upstream flows in.

Souhegan River, which joins it at N 42° 51′ 41″, W 71° 29′ 10″ at OSM node n7412843543, and 107 km of total upstream flows in.

Beaver Brook, which joins it at N 42° 39′ 22″, W 71° 19′ 5″ at OSM node n1449291852, and 76 km of total upstream flows in.

Cohas Brook, which joins it at N 42° 55′ 54″, W 71° 27′ 19″ at OSM node n7237689942, and 66 km of total upstream flows in.

Stony Brook, which joins it at N 42° 38′ 21″, W 71° 22′ 26″ at OSM node n2447721008, and 66 km of total upstream flows in.

Salmon Brook, which joins it at N 42° 44′ 55″, W 71° 26′ 27″ at OSM node n891267233, and 58 km of total upstream flows in.

Spicket River, which joins it at N 42° 42′ 19″, W 71° 8′ 46″ at OSM node n7237655358, and 51 km of total upstream flows in.

Pennichuck Brook, which joins it at N 42° 48′ 1″, W 71° 28′ 5″ at OSM node n439957075, and 39 km of total upstream flows in.

East Meadow River, which joins it at N 42° 46′ 41″, W 71° 1′ 22″ at OSM node n11694570298, and 28 km of total upstream flows in.

Johnson Creek, which joins it at N 42° 45′ 25″, W 71° 2′ 33″ at OSM node n1562109042, and 25 km of total upstream flows in.

Plum Island River, which joins it at N 42° 49′ 9″, W 70° 49′ 15″ at OSM node n7633361152, and 22 km of total upstream flows in.

Bridge Meadow Brook, which joins it at N 42° 40′ 36″, W 71° 25′ 16″ at OSM node n7237673706, and 22 km of total upstream flows in.

(unnamed), which joins it at N 42° 45′ 41″, W 71° 7′ 49″ at OSM node n9457111665, and 18 km of total upstream flows in.

Black Brook, which joins it at N 43° 0′ 36″, W 71° 28′ 25″ at OSM node n11746900246, and 17 km of total upstream flows in.

Bryant Brook, which joins it at N 43° 20′ 14″, W 71° 37′ 45″ at OSM node n4969301034, and 17 km of total upstream flows in.

Cross Brook, which joins it at N 43° 23′ 14″, W 71° 38′ 42″ at OSM node n7189028459, and 16 km of total upstream flows in.

Bartlett Brook, which joins it at N 42° 42′ 4″, W 71° 12′ 55″ at OSM node n1449292046, and 16 km of total upstream flows in.

(unnamed), which joins it at N 42° 42′ 33″, W 71° 8′ 4″ at OSM node n1449292080, and 16 km of total upstream flows in.

Artichoke River, which joins it at N 42° 49′ 21″, W 70° 56′ 25″ at OSM node n1449292395, and 15 km of total upstream flows in.

Hayward Brook, which joins it at N 43° 16′ 16″, W 71° 33′ 56″ at OSM node n7189109521, and 15 km of total upstream flows in.

Creek Brook, which joins it at N 42° 46′ 26″, W 71° 7′ 40″ at OSM node n9457008285, and 15 km of total upstream flows in.

Turkey River, which joins it at N 43° 10′ 10″, W 71° 31′ 23″ at OSM node n8105209612, and 15 km of total upstream flows in.

Richardson Brook, which joins it at N 42° 39′ 27″, W 71° 15′ 51″ at OSM node n7505088184, and 14 km of total upstream flows in.

Nesenkeag Brook, which joins it at N 42° 49′ 57″, W 71° 28′ 54″ at OSM node n2244059900, and 13 km of total upstream flows in.

Little Cohas Brook, which joins it at N 42° 55′ 19″, W 71° 27′ 11″ at OSM node n1516429080, and 12 km of total upstream flows in.

Cobbler's Brook, which joins it at N 42° 49′ 27″, W 70° 58′ 54″ at OSM node n6910923143, and 12 km of total upstream flows in.

Punch Brook, which joins it at N 43° 24′ 42″, W 71° 39′ 13″ at OSM node n7189028452, and 12 km of total upstream flows in.

Bow Bog Brook, which joins it at N 43° 9′ 7″, W 71° 28′ 45″ at OSM node n7189036242, and 11 km of total upstream flows in.

Fish Brook, which joins it at N 42° 41′ 15″, W 71° 13′ 31″ at OSM node n1449291964, and 10 km of total upstream flows in.

Black Rock Creek, which joins it at N 42° 49′ 8″, W 70° 49′ 46″ at OSM node n1890555433, and 9 km of total upstream flows in.

Burnham Brook, which joins it at N 43° 17′ 0″, W 71° 34′ 32″ at OSM node n1454623719, and 9 km of total upstream flows in.

Deep Brook, which joins it at N 42° 38′ 30″, W 71° 22′ 35″ at OSM node n7504348708, and 8 km of total upstream flows in.

Baker Brook, which joins it at N 42° 58′ 5″, W 71° 28′ 24″ at OSM node n11916302455, and 8 km of total upstream flows in.

(unnamed), which joins it at N 43° 21′ 56″, W 71° 38′ 44″ at OSM node n3636025350, and 7 km of total upstream flows in.

Tannery Brook, which joins it at N 43° 19′ 7″, W 71° 37′ 11″ at OSM node n7188985970, and 7 km of total upstream flows in.

Indian River, which joins it at N 42° 49′ 11″, W 70° 57′ 35″ at OSM node n9501771610, and 7 km of total upstream flows in.

Shad Creek, which joins it at N 42° 49′ 5″, W 70° 50′ 12″ at OSM node n9423734012, and 7 km of total upstream flows in.

Claypit Brook, which joins it at N 42° 38′ 42″, W 71° 20′ 12″ at OSM node n9641732976, and 6 km of total upstream flows in.

Ray Brook, which joins it at N 43° 0′ 28″, W 71° 28′ 22″ at OSM node n7126788202, and 6 km of total upstream flows in.

Lawrence Brook, which joins it at N 42° 40′ 5″, W 71° 24′ 38″ at OSM node n9631528838, and 6 km of total upstream flows in.

Watts Brook, which joins it at N 42° 53′ 56″, W 71° 27′ 20″ at OSM node n1654737436, and 6 km of total upstream flows in.

Meetinghouse Brook, which joins it at N 43° 9′ 14″, W 71° 28′ 59″ at OSM node n7189139735, and 6 km of total upstream flows in.

Messer Brook, which joins it at N 43° 2′ 41″, W 71° 27′ 13″ at OSM node n1454623371, and 6 km of total upstream flows in.

Browns Brook, which joins it at N 43° 6′ 24″, W 71° 27′ 55″ at OSM node n7237696793, and 5 km of total upstream flows in.

(unnamed), which joins it at N 42° 49′ 22″, W 70° 58′ 12″ at OSM node n6910923127, and 5 km of total upstream flows in.

Glines Brook, which joins it at N 43° 21′ 31″, W 71° 38′ 24″ at OSM node n3636025315, and 5 km of total upstream flows in.

Beaver Meadow Brook, which joins it at N 43° 15′ 19″, W 71° 33′ 26″ at OSM node n7898986716, and 4 km of total upstream flows in.

Naticook Brook, which joins it at N 42° 50′ 22″, W 71° 29′ 5″ at OSM node n439972361, and 4 km of total upstream flows in.

Milestone Brook, which joins it at N 43° 1′ 31″, W 71° 28′ 51″ at OSM node n11746966405, and 4 km of total upstream flows in.

Dalton Brook, which joins it at N 43° 3′ 13″, W 71° 27′ 14″ at OSM node n7449334003, and 4 km of total upstream flows in.

(unnamed) , which joins it at the following points: 3 km of total upstream flows in at N 42° 49′ 13″, W 70° 56′ 50″ at OSM node n11694666154 2 km of total upstream flows in at N 42° 49′ 13″, W 70° 56′ 50″ at OSM node n11694666154

(unnamed), which joins it at N 43° 4′ 0″, W 71° 27′ 49″ at OSM node n12187477936, and 4 km of total upstream flows in.

(unnamed), which joins it at N 43° 18′ 56″, W 71° 35′ 43″ at OSM node n7189029201, and 4 km of total upstream flows in.

(unnamed), which joins it at N 43° 24′ 29″, W 71° 38′ 37″ at OSM node n12096505388, and 4 km of total upstream flows in.

(unnamed), which joins it at N 42° 45′ 25″, W 71° 2′ 39″ at OSM node n6910668833, and 3 km of total upstream flows in.

(unnamed), which joins it at N 43° 13′ 45″, W 71° 32′ 11″ at OSM node n7189109580, and 3 km of total upstream flows in.

(unnamed), which joins it at N 43° 21′ 16″, W 71° 38′ 0″ at OSM node n7189029122, and 3 km of total upstream flows in.

(unnamed), which joins it at N 42° 41′ 41″, W 71° 25′ 36″ at OSM node n2435929005, and 3 km of total upstream flows in.

Peters Brook, which joins it at N 43° 3′ 47″, W 71° 27′ 47″ at OSM node n7237696810, and 3 km of total upstream flows in.

(unnamed), which joins it at N 43° 25′ 18″, W 71° 39′ 5″ at OSM node n7189028447, and 3 km of total upstream flows in.

Goodwin Creek, which joins it at N 42° 49′ 56″, W 70° 55′ 53″ at OSM node n11694657355, and 3 km of total upstream flows in.

(unnamed), which joins it at N 42° 49′ 17″, W 70° 58′ 1″ at OSM node n1890594515, and 3 km of total upstream flows in.

Scarlet Brook, which joins it at N 42° 38′ 54″, W 71° 22′ 48″ at OSM node n7504348707, and 2 km of total upstream flows in.

(unnamed), which joins it at N 42° 46′ 0″, W 71° 1′ 54″ at OSM node n9703017399, and 2 km of total upstream flows in.

(unnamed), which joins it at N 42° 44′ 16″, W 71° 7′ 2″ at OSM node n9700269244, and 2 km of total upstream flows in.

(unnamed), which joins it at N 42° 46′ 22″, W 71° 7′ 50″ at OSM node n9457008552, and 2 km of total upstream flows in.

(unnamed), which joins it at N 42° 56′ 49″, W 71° 27′ 37″ at OSM node n1454623268, and 2 km of total upstream flows in.

(unnamed), which joins it at N 43° 13′ 36″, W 71° 31′ 26″ at OSM node n7189109583, and 2 km of total upstream flows in.

(unnamed), which joins it at N 42° 43′ 56″, W 71° 7′ 24″ at OSM node n1449292119, and 2 km of total upstream flows in.

(unnamed), which joins it at N 42° 50′ 4″, W 70° 55′ 43″ at OSM node n1890583486, and 2 km of total upstream flows in.

Limit Brook, which joins it at N 42° 41′ 36″, W 71° 25′ 17″ at OSM node n1468901704, and 2 km of total upstream flows in.

Whetsone Brook, which joins it at N 42° 48′ 7″, W 71° 0′ 8″ at OSM node n6910908675, and 2 km of total upstream flows in.

(unnamed), which joins it at N 42° 40′ 19″, W 71° 25′ 11″ at OSM node n1449291923, and 2 km of total upstream flows in.

(unnamed), which joins it at N 42° 48′ 59″, W 71° 0′ 4″ at OSM node n11694515464, and 2 km of total upstream flows in.

(unnamed), which joins it at N 43° 21′ 39″, W 71° 38′ 36″ at OSM node n7189029091, and 2 km of total upstream flows in.

(unnamed), which joins it at N 43° 19′ 17″, W 71° 36′ 53″ at OSM node n7189029140, and 1 km of total upstream flows in.

Indian Creek, which joins it at N 42° 49′ 12″, W 70° 57′ 2″ at OSM node n11694657356, and 1 km of total upstream flows in.

(unnamed), which joins it at N 42° 41′ 34″, W 71° 10′ 40″ at OSM node n9690568076, and 1 km of total upstream flows in.

(unnamed), which joins it at N 42° 45′ 31″, W 71° 26′ 27″ at OSM node n7237673696, and 1 km of total upstream flows in.

(unnamed), which joins it at N 42° 47′ 3″, W 71° 1′ 13″ at OSM node n1449292299, and 1 km of total upstream flows in.

(unnamed) , which joins it at the following points: 336 m of total upstream flows in at N 42° 41′ 56″, W 71° 12′ 13″ at OSM node n1449292031 902 m of total upstream flows in at N 42° 41′ 56″, W 71° 12′ 13″ at OSM node n1449292031

(unnamed), which joins it at N 42° 49′ 48″, W 70° 55′ 58″ at OSM node n1890583502, and 1 km of total upstream flows in.

Nickel Mine Brook, which joins it at N 42° 39′ 37″, W 71° 15′ 6″ at OSM node n1449291877, and 1 km of total upstream flows in.

(unnamed), which joins it at N 43° 14′ 35″, W 71° 33′ 39″ at OSM node n7189109569, and 1 km of total upstream flows in.

(unnamed), which joins it at N 43° 24′ 25″, W 71° 38′ 31″ at OSM node n12096518636, and 983 m of total upstream flows in.

(unnamed), which joins it at N 43° 24′ 27″, W 71° 38′ 33″ at OSM node n12096518734, and 975 m of total upstream flows in.

(unnamed), which joins it at N 42° 47′ 40″, W 71° 0′ 55″ at OSM node n11694515467, and 972 m of total upstream flows in.

Sawyer Brook, which joins it at N 42° 41′ 53″, W 71° 13′ 16″ at OSM node n1449292015, and 960 m of total upstream flows in.

(unnamed), which joins it at N 43° 20′ 37″, W 71° 38′ 1″ at OSM node n7519760428, and 945 m of total upstream flows in.

Stirrup Iron Brook, which joins it at N 43° 22′ 25″, W 71° 39′ 6″ at OSM node n6988836354, and 886 m of total upstream flows in.

Second Brook, which joins it at N 42° 45′ 17″, W 71° 26′ 22″ at OSM node n439957101, and 791 m of total upstream flows in.

(unnamed), which joins it at N 42° 47′ 57″, W 71° 0′ 24″ at OSM node n11694515466, and 766 m of total upstream flows in.

(unnamed), which joins it at N 42° 49′ 22″, W 70° 58′ 11″ at OSM node n9703999698, and 740 m of total upstream flows in.

(unnamed), which joins it at N 42° 49′ 39″, W 70° 56′ 3″ at OSM node n1890583513, and 626 m of total upstream flows in.

(unnamed), which joins it at N 42° 41′ 36″, W 71° 10′ 56″ at OSM node n1449291986, and 544 m of total upstream flows in.

(unnamed), which joins it at N 42° 48′ 52″, W 71° 28′ 25″ at OSM node n1348217793, and 479 m of total upstream flows in.

(unnamed), which joins it at N 42° 39′ 22″, W 71° 19′ 7″ at OSM node n6776018297, and 429 m of total upstream flows in.

(unnamed), which joins it at N 42° 38′ 46″, W 71° 20′ 9″ at OSM node n1449291759, and 426 m of total upstream flows in.

(unnamed), which joins it at N 43° 15′ 45″, W 71° 33′ 25″ at OSM node n1454623671, and 382 m of total upstream flows in.

(unnamed), which joins it at N 42° 57′ 17″, W 71° 28′ 18″ at OSM node n892634172, and 381 m of total upstream flows in.

(unnamed), which joins it at N 42° 45′ 43″, W 71° 5′ 54″ at OSM node n1449292182, and 369 m of total upstream flows in.

(unnamed), which joins it at N 42° 49′ 27″, W 70° 52′ 59″ at OSM node n1890555475, and 194 m of total upstream flows in.

(unnamed), which joins it at N 42° 58′ 24″, W 71° 28′ 20″ at OSM node n11916303176, and 74 m of total upstream flows in.

(unnamed), which joins it at N 42° 46′ 19″, W 71° 4′ 54″ at OSM node n11630147094, and 47 m of total upstream flows in.