List of Mexican Rivers completed by Rocky Contos Mexican Whitewater guidebook ordering information (SierraRios)
List of all Mexican rivers completed by Rocky

Beta from all these trips will be compiled in five guidebooks of the series: Norte, Occidental, Sur, Oriental, and Maya area (though Greg Schwendinger will be primarily responsible for the Mayan Whitewater book). Note that many of the trips listed below are actually several river sections that were paddled contiguously (i.e. ~150 trips, but ~300 sections of river).
RIVERS DONE: 1998
RIVER STATE KM DAYS DIFFICULTY Dates With
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RioDeLasPalmas(Main)* BCN 33k 1 III-IV February Preston Holmes
RioDeLasPalmas(Upper)* BCN ~30k 1 II March Keith Dinger
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TOTAL ~63 km (+2 lake) 2
* no prior descent known
RIVERS DONE: 2000
RIVER STATE KM DAYS DIFFICULTY Dates With
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Piaxtla* D, Si 158k 3 III Jun30-Jul2 solo
Presidio* D, Si 221k 4 IV Jul6-10 solo
Grande de Santiago J, N 178k (20 lake) 4 III-IV Jul15-18? solo
Acaponeta* D, N 120k 4 IV Jul28-31 solo
LowerAmeca* J, N 97k 5 IV Aug11-15 Barbara Conboy (raft)
Mohinora/Sinaloa* C, Si 200k(30 lake) 4 III/II Aug24-27 solo
Atengo* Z, J, N 186k (46 lake) 5 IV+ (two P) Aug31-Sep4 solo
Jesus María* D, N 143k (46 lake) 4 III (one IV+) Sep8-12 solo
UpperAmeca* J 82k 2 IV-V (one P) Sep15-16 solo
Pánuco* Si 51k 1 III Sep22p solo
Quelite* Si 23k 1 II Sep23p solo
Mezquital D, N 31k 2 IV-V (~6 P) Sep25-26 solo
LosRemedios/SanLorenzo* D, Si 143k (~15 lake) 4 IV-V (four P) Sep30-Oct3 solo
Mezquital D, N 277k 8 IV-V (~20 P) Oct9-16 Tom Diegel, Mike Hobbs
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TOTAL 1910 km (+157lake) 52
* no prior descent known 1089 miles (+97lake)
RIVERS DONE: 2001
RIVER STATE KM DAYS DIFFICULTY Dates With
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UpperBolaños * Z, J, N 127k 3 IV-V Jun30-Jul2 solo
Nazas D 180k (20 lake) 4 II Jul6-8 with racers
Sextín* D 184k (10 lake) 4 III-IV Jul10-13 solo
Nazas (Upper) D 65k 4 II Jul15a solo
Tomochic/Sirupa/Aros/Yaqui C, So 540k 10 IV, IV, III Jul20-29 solo
Moris-Mayo C, So 197k (20 lake) 3 IV, III Aug5-8 solo
Conchos C 278k 6 III+ Aug11-16 solo
Balleza* C 119k (28remain) 3 II-III Aug20-22 solo, Barb
Batopilas(LaBufa)* C 10k 1 V Aug25 solo
Urique C 139k 8 V (~20 P) Sep2-9 Tom Diegel
Túxpan/Coahuayana* Col 178k 4 IV-V; III Sep16-19 solo
ElCajon* Col 21k 1 III Sep21 solo
Marabasco* J, Col 96k 3 IV-V Sep23-25 solo
Purificación* J 70k 2 III-IV Sep28-30 solo
Ostula* M 20k 1 IV Oct3 solo
Coalcomán* M 103k 4 V Oct6-9 solo
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TOTAL 2242 km (+50lake) 57
* no prior descent known 1362 miles (+31lake)
RIVERS DONE: 2002
RIVER STATE KM DAYS DIFFICULTY Dates With
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Mulatos*/Aros/Yaqui So 271k(100+171) 5 IV Aug7-11 solo
Urique(Upper)* C 77k 2 IV-V Aug14-15 solo
Atengo* Z, D, J 241k(101+140) 8 IV (some V/P) Aug17-24 Peter Dayton, Art Gidel
SanNicolás* J 86k(15 ocean) 4 III-IV (3 P) Aug26-28 Peter Dayton, Art Gidel
Verde*/RGS A, J 186k (89+80+17) 5 IV (one V) Aug30-Sep3 solo
Azul/Omitlán* G 136k 4 IV-V Sep6-9 solo
Papagayo* G 138k(63+75) 4 IV-V; II Sep10-13 solo
Cuananá/Colorado/Verde* O 186k 4 V Sep17-20 Tom Diegel
Coyuca* G 34k 1 IV Sep21 Tom Diegel
Marquelía* G 40k 1 IV Sep22 Tom Diegel
AtoyacDeAlvarez* G 54k 2 IV-V Sep25-26 solo
Tecpan* G 18k 1 III-IV Sep27 solo
SanLuis* G 35k 1 III Sep28 solo
SantaCatarina* G 128k 5 IV (one day P) Oct1-Oct5 solo
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TOTAL 1629 km (+15ocean) 46
* no prior descent known 1003 miles (+9ocean)
RIVERS DONE: 2003
RIVER STATE KM DAYS DIFFICULTY Dates With
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Galindo/SanDiego* D 45k 6 V+ (aborted) Aug4-10 Alex Chong
El Jaral(UpperPresidio)* D 25k 1 III Aug12 Alex Chong, Luis Gonzalez
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TOTAL 70km 7
* no prior descent known 43 miles
RIVERS DONE: 2005
RIVER STATE KM DAYS DIFFICULTY Dates
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Turuachi/Verde/Fuerte* C, Si 328k (56lake) 10 V/IV/III Jul31-Aug9 Alex Chong
LowerBatopilas* C 91k[54+35Fuerte] 3 III-IV Aug11-13 Alex Chong
------------------------------- --------- --------------------------- ------- ----------------- ----------------- ---------------------------
TOTAL 419k (56 lake) 13
* no prior descent known 260 miles (34 lake)
RIVERS DONE: 2006
RIVER STATE KM DAYS DIFFICULTY Dates With
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Huevachi*-Chínipas* C 42+162k (15lake) 9 V+; IV Jul31-Aug9 Tom Diegel, Tom Meinholz, Aaron Stabel
Choix* Si 90k 3 IV-V Aug11-13 solo
Tutuaca* C 144k 3 IV Aug15-17 solo
Papagochic* C 56k+60k(toSirupa) 3 III (to LaJunta) Aug19-21 solo
Septentrion* C 6k (did not finish) 2 V Aug23-24 Tyler Bradt, Seth Warren, Joe McLay, Soup
------------------------------- --------- --------------------------- ------- ----------------- ----------------- ---------------------------
TOTAL 560k (15 lake) 20
* no prior descent known 348 miles of river floated (+9 lake)
RIVERS DONE: 2007
RIVER STATE KM DAYS DIFFICULTY Dates With
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LaTigra* G 33k (38 LaTigra) 1 IV Sep26a JD Batove
Coyuquilla* G 32k 1 IV-V Sep27a JD Batove
Arteaga* M 52k 2 IV-V Sep29-30 JD Batove, Cody Howard
Aguililla* M 83k (99 Aguililla) 4 V Oct2-5 JD Batove, Cody Howard
LaLaja* G 35k (58 to mouth) 1 IV Oct7a JD Batove, Cody Howard
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TOTAL 235 k (0 lake) 9
* no prior descent known 155 miles
RIVERS DONE: 2008
RIVER STATE KM DAYS DIFFICULTY Dates With
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Bavispe C 92(+10) 3 IV Jul29-31 solo
Loera* C 66(+30) 6 V-VI Aug4-9 Tom Meinholz
Carichi* C 38(+46) 2 IV, then III Aug15-17 solo
Nonoava* C 35 4 III Aug17-18 solo
Septentrion C 10 (aborted) 1 V Aug20-21 solo
Santiago-Ramos* D 178 5 III Aug24-28 Luis Gonzalez
Mezquitic-Bolaños* J 201 7 IV Aug31-Sep6 Peter Dayton, Mike Worall
Armeria* J, Col 182 5 IV Sep8-11 Peter Dayton, Mike Worall
San Diego* M 159(+24) 4 IV Sep17-20 solo
Purungueo* M 99 3 IV Sep22-24 solo
Jungapeo-Tuzantla* M ~70 3 V, then III Sep25-27 solo
Amacuzac G 147 (+65) 6 III-IV, then III Oct5-10 solo
Mixteco*-Mezcala O, G 408 8 IV-V, II-III Oct11-17 solo
Arena O 16 1 IV Oct-19 solo
Leche* O 12 1 IV-V Oct-21 Grant Amaral, Polo, Roger Singer
Quetzala* G ~40 2 IV, V Oct22-23 Grant Amaral, Polo, Roger Singer
Copalita O 41 2 IV Oct25-26 solo
Coazaltepec* O ~30 3 V Oct27-29 Polo
Colotepec* O 52 3 IV Oct30-Nov1 solo
Valles (Micos,El Salto,MV) SLP 26 3 IV-V Nov7-9 Alex Chong, Nate Leisch-Huie
Guayalejo Tam 60 2 III-IV Nov10-11 Alex Chong
Santa Maria SLP 102 5 IV (some V-) Nov12-16 Alex Chong, Nate Leisch-Huie, James Deusenberry
Ojo Frio SLP 4 1 IV Nov-17 Tom Robey, Ross Elgin
Verde SLP 47 3 V Nov18-20 Nate Leisch-Huie, James Deusenberry, Nate Elliot, Toby McDermott, JJ Shepherd, Ross Elgin
Alsaseca V 8 2 V Dec2-3 Toby McDermott, JJ Shepherd, Nate Elliot, James Deusenberry
Santo Domingo O 68 3 IV (some V-) Dec5-7 Toby McDermott, JJ Shepherd, Nate Elliot, James Deusenberry
Antigua V ~110 4 III-IV Dec9-12 solo
Actopan V 18 1 III Dec-13 solo
Filo-Bobos V ~35 2 III Dec15-16 Barbara Conboy
------------------------------- --------- --------------------------- ------- ----------------- ----------------- ---------------------------
TOTAL 2444 k (+175) 88
1517 miles (+109)
RIVERS DONE: 2009
RIVER STATE KM DAYS DIFFICULTY Dates With
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Babanori* So 24k 2 III-IV Aug4-5 James Deusenberry
Badiraguato Si 10k II Aug7 James Deusenberry
Humaya* D, Si 144k 5 IV-V Aug9-13 James Deusenberry
Sianori/Tamazula* Si 38k 2 III-II Aug15-16 solo
Piaxtla(Upper)* D, Si 59+79k 9 V+, IV, III- Aug23-31 Ben Stookesberry, Darin McQuod, Jesse Coombs, James Deusenberry
Baluarte* Si 116k 4 V Sep4-7 James Deusenberry
Mascota J 18k 1 IV Sep-10 James Deusenberry, Cody Howard, ??
Horcones J 8k 1 V Sep-11 James Deusenberry, Cody Howard
Pitallal* J 25k 2 V- Sep12-13 James Deusenberry
Cuale* J 25k 1 V Sep14-15 James Deusenberry
Ajajalpan (lower) P 78k 2 III Sep28-29 Steve McKay
SanMarcos-Cazones P 65k 3 IV to III Sep30-Oct2 Steve McKay
Necaxa P 18k 1+1 III-IV Oct2, Oct7 Steve McKay
Apulco(way upper)* P 10k 1 II Oct3 Steve McKay
Pantepec P 51k 2 IV to III Oct4-6 solo
Tecaxa P 10k 1 III Oct7 solo
Atoyac* V 60k 3 III-IV Oct11-13 Barbara Conboy
Ajajalpan(upper)* P 24k 2 IV+ Oct8, 14 solo
Atlapexco* P 37k 1 III Oct16 solo
Tancuillin SLP ~20k 1 II-III Oct17 Aaron Koch, Marjorie, Tomate, Jorge Marquez
Tehuetlan* SLP ~25k 1 III Oct18 Aaron Koch, Marjorie, Tomate, Jorge Marquez
Amajac H 157k 4 IV then III Oct20-22 solo
Claro* SLP 48k 2 III Oct23-24 solo
Extoraz*-Moctezuma Q, H 187k 4 IV-V Oct25-28 solo
Apulco(lower) P 42k 1 II Nov5 solo
MariaDeLaTorre* V 14k 1 I Nov7 solo
Misantla V 22k 1 III-IV Nov8 solo
Filo(upper) P 13k 1 V Nov9 Toby McDermott, Ben Stone, John Shannon
SanPedro* P 34k 2 V/P benighted! Nov10-11 Toby McDermott, Ben Stone, John Shannon, JJ Sheperd
Filo-Bobos P/V 16k 1 III (repeat) Nov12 Toby McDermott
Zempoala* P 31k 2 V Nov13-14, 15-16 Toby McDermott, Ben Stone, John Shannon, JJ Sheperd
Tepango V 23k 1 V- Nov18 Toby McDermott, Ben Stone, John Shannon
Oro V 6k 1 V Nov19 Toby McDermott, Ben Stone, John Shannon, JJ Sheperd, 2 others
Tecolapan V 22k 1 III-IV Nov20 Toby McDermott, Ben Stone, John Shannon, JJ Sheperd, 2 others
Catemaco V 19k 1 III Nov21 solo
Huazuntlan V 15k 1 III [Dec13] solo
Tecuanapa* V 6k 1 III (too low) [Dec14] solo
Cajones * O 86k 3 IV Nov22-24 Toby McDermott, Ben Stone; (John Shannon, JJ Sheperd, 2 others)
Grande(SantoDomingo) O 109k 5 IV; hike out/in Nov30-Dec2, Dec3-6 solo
Puxmetecan* O 111k 3 III-IV Dec8-10 solo
Bobo-Jalepec O 48k 2 III Dec11-12 solo
Jaltepec* O 67k 3 III-IV; one V Dec15-17 solo
LaVenta Ch 68k 4 III; some IV/P Dec19-22 solo
Cahabon Guat 70k 2 III-IV Jan6-7 Barbara Conboy
Jatate-Lacantun-Usum. Ch 540k 9 IV then II-III Jan14-22 solo
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TOTAL 2698 km 102
1675 miles
RIVERS DONE: 2010
RIVER STATE KM DAYS DIFFICULTY Dates With
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Pacuare C.Rica 26k 1 III-IV Jul5 Barbara Conboy (IK)
Peijibaye C.Rica 10k 1 II-III Jul6 Barbara Conboy (IK)
Sarapiquí C.Rica 38k? 1 III Jul7 Barbara Conboy (IK)
Coco Nicarag. 15k 1 III Jul15 Barbara Conboy (IK)
Jiboa* ElSalv. 30k? 1 IV-V Jul17 Greg Schwendinger
San Miguel ElSalv. 30k? 1 II Jul18 Greg Schwendinger
Torola(Upper)* ElSalv. 20k? 1 IV-V Jul19 Greg Schwendinger
San Antonio* Hond. 25k? 1 IV Jul20 Greg Schwendinger
Otoro*-Ulua Hond. 190k 3 IV; III Jul22-24 Greg Schwendinger
San Juan Hond. 12k 1 V Jul25 Greg Schwendinger
Cangrejal Hond. 35k? 1 V Jul26 Greg Schwendinger
San José* Guat 30k? 1 IV Jul28 Greg Schwendinger
Mulatos-Aros (raft) So 239k 7 III-IV Aug19-25 Barbara Conboy, Lacey Anderson, Neil Nikirk
Sahuripa So 27k 1 I-II Aug26 Tyler Williams, Jon Govi, Lacey Anderson, Neil Nikirk
Yepachi So 32k 2 IV(P) Aug27-28 Tyler Williams, Jon Govi
Urique (Tejabán-to-Urique) C 67k (med-high water) 5 IV-V Tyler Williams, Jon Govi
Oteros(Sicochi) C 19k 1 III-IV(P) Tyler Williams
------------------------------- --------- --------------------------- ------- ----------------- ----------------- ---------------------------
TOTAL 845 km 30
524 miles
RIVERS PLANNED: 2011
RIVER STATE KM DAYS DIFFICULTY Dates With
------------------------------- --------- --------------------------- ------- ----------------- ----------------- ---------------------------
Mulatos-Aros So 239k 8 III-IV Aug27-Sep3 Lacey Anderson, Neil Nikirk, + 12 others
Conchos C 167k 6 III-IV Sep5-11 Lacey Anderson, Neil Nikirk, + others
Piaxtla D, Si 183k 7 III-IV Sep17-23 Lacey Anderson, Neil Nikirk, + others
Presidio D, Si 110k 6 IV Sep25-Sep30 Lacey Anderson, Neil Nikirk, + others
Baluarte D, Si 80k 3 IV Oct2-4 Lacey Anderson, Neil Nikirk, + others
Marabasco Col, J 25k 1 IV Oct9 Lacey Anderson, Neil Nikirk, + others
Armeria Col 50k 2 III-IV Oct10-11 Lacey Anderson, Neil Nikirk, + others
Coahuayana Col 100k 4 III-IV Oct12-15 Lacey Anderson, Neil Nikirk, + others
Minatitlán* Col ~20k 1 V Oct17 ?
Nueva Italia* Mi ~50k 2 IV Oct Lacey Anderson, Neil Nikirk
Placeres* G ~50k 2 III-IV Oct Lacey Anderson, Neil Nikirk
Temascaltepec*-Pungarancho G ~140k 4 V, III-IV Oct Lacey Anderson, Neil Nikirk
Tlaplaneco* G ~100k 3 III-IV Oct Lacey Anderson, Neil Nikirk
Tehuantepec* O ~110k 4 III-IV Oct Lacey Anderson, Neil Nikirk
Putla-Verde* O ~110k 4 IV Oct Lacey Anderson, Neil Nikirk
Chixoy Guate ~250k 5 IV Dec ?
Almandro(Headwaters*) Chiapas ~150k 4 IV-V Dec ?
SantoDomingo*(Chancalá) Chiapas ~30k 1 III-IV? Dec ?
Paxilhá/AguaAzul Chiapas ~40k 2 IV-V Dec ?
Shumuljá-Tulijá Chiapas ~150k 3 III-IV Dec ?
Chacamax Chiapas ~40k 1 III Dec ?
Lacenjá-Lacantún Chiapas 188k 6 III(P) Dec Barbara Conboy, Lacey Anderson, Neil Nikirk
Usumacinta Chiapas 143k 7 II-III Dec-Jan Barbara Conboy, Lacey Anderson, Neil Nikirk, Greg Schwndinger + others
Chancalá Chiapas 25k 1 III Dec Greg Schwendinger (part of Usu trip)
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TOTAL ~1700 km 30
~1000 miles