https://adrianmattern.com/ 2026-10-15 https://adrianmattern.com/_astro/hero-wildwater.xtJi1oJc_Z1cElsa.jpgAdrian Mattern — Whitewater Kayaker & Extreme Athlete https://adrianmattern.com/speaker-de 2026-10-15 https://adrianmattern.com/_astro/speaker-panel.Bq2VWtbH_Z19dyOX.jpgAdrian Mattern Keynote Speaker https://adrianmattern.com/coaching 2026-10-15 https://adrianmattern.com/_astro/zambezi-coaching.C7nXK2ke_ZeCnbE.jpgZambezi Kayak Coaching https://adrianmattern.com/adrianmattern-about 2026-10-15 https://adrianmattern.com/portfolio 2026-10-15 https://adrianmattern.com/project-steepest-river 2026-10-15 https://adrianmattern.com/_astro/6034a4_86d46a4e5dea40b298a0747e0b97301b.BciqOtwi_6vd7z.jpgKayaking the steepest river ever paddled https://adrianmattern.com/_astro/6034a4_05fdf8a8c93541c9982852fc53908d48.DuZp0NGx_2k6VYc.webpSanto Domingo River https://adrianmattern.com/_astro/6034a4_96f22d17f136495cb11773eae9842ace.Dlz5fK5F_1K0NWh.webpSanto Domingo River kayaking https://adrianmattern.com/_astro/6034a4_56c5930ef9974cf59235da5e99a317e9.BHc0rtfd_Z2cnWnM.webpExpedition kayaking https://adrianmattern.com/_astro/6034a4_e7db30c9d1b643fba317d331f423de1f.ioKsVb1Z_4EYrJ.webpRiver rapid https://adrianmattern.com/_astro/6034a4_fb235c9bbcc546619662d7b6df03ab1e.DK1fgUOs_2kahp2.webpSteepest river kayaking https://adrianmattern.com/project-mato-grosso 2026-10-15 https://adrianmattern.com/_astro/6034a4_af855d31eacb434597e0b6789ec290bb.BIrfxB5b_jqd46.jpgExploring Mato Grosso Brazil https://adrianmattern.com/_astro/6034a4_7000dcce5d64473482c5a3a9a6d1d711.BJ-nncDA_Zu3auO.webpMato Grosso waterfall https://adrianmattern.com/_astro/6034a4_905ee97e6a714ba3bd49e7c72d577185.BTINHCqz_Z1IfnFT.webpBrazil kayaking https://adrianmattern.com/_astro/6034a4_16d4641c78f6428992844c1d521afedb.Cq5U8AFg_Z2pGqx0.webpBrazilian river https://adrianmattern.com/_astro/6034a4_01cf2827c31f49f69b0af50aabb8691f.bjB-FdE4_2gxpDT.webpMato Grosso expedition https://adrianmattern.com/_astro/6034a4_14b909f93f3743a6af079802804b3b19.x_RL1fw7_dQO9L.webpBrazil waterfall kayak https://adrianmattern.com/_astro/6034a4_f559705709cc442aac7b71e88e54ca2a.D4ihJVJ-_USjk6.webpRiver exploration https://adrianmattern.com/_astro/6034a4_0dc9adcbdea54b16a8bb5dfab03a3aa3.Bxviaorj_1tfo7q.webpKayaking Brazil https://adrianmattern.com/_astro/6034a4_20f408c4b67a4773ab5cf63f3ff189ad.CAD_0xU7_2u21oM.webpMato Grosso river https://adrianmattern.com/_astro/6034a4_1565572950e945858c2a0f89424b4ffd.CBhSFaEe_1YznWE.webpBrazil expedition https://adrianmattern.com/_astro/6034a4_e2304489f6a8435eb7fe417bf64e8124.CneA1vQM_1FcnKa.webpWhitewater Brazil https://adrianmattern.com/_astro/6034a4_6d01018b980141c3a79de864ff404438.B9CvlVg9_YBvgW.webpRiver kayaking https://adrianmattern.com/_astro/6034a4_ea55944e4f9a4891b9485d549245ef7c.B_TDbGr4_ZDVyuW.webpExpedition Brazil https://adrianmattern.com/project-northern-india 2026-10-15 https://adrianmattern.com/_astro/6034a4_1a2c782a12ff44dd91e433e4655ca3a4.FxwoKVNf_Z1sTtCh.jpgNorthern India Expedition https://adrianmattern.com/_astro/6034a4_96a1a64d435a43598e9e6b21a0fe4e80.niwXv4dS_Z1DDAQv.webpNorthern India Expedition — expedition photo 1 https://adrianmattern.com/_astro/6034a4_cfc73a92eeb14425bb1ebbc84f816764.XIomJtG-_17fgUd.webpNorthern India Expedition — expedition photo 2 https://adrianmattern.com/_astro/6034a4_8f876ed412f04795bca132a487c6aef1.DlD9Sh5C_rjyI2.webpNorthern India Expedition — expedition photo 3 https://adrianmattern.com/_astro/6034a4_2511baf8957f4fe3b4784c1974a48fcb.CHHq2o48_UuQhE.webpNorthern India Expedition — expedition photo 4 https://adrianmattern.com/_astro/6034a4_6c3e823a7d924c8b902b6a889e00756d.BP2189Qc_ZQEz1s.webpNorthern India Expedition — expedition photo 5 https://adrianmattern.com/_astro/6034a4_56be675fb6f845a2948b4e899adc2ecc.Bc5OsSXe_Zq0imf.webpNorthern India Expedition — expedition photo 6 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