Mark Grundon

El Potrero Chico Guiding is run by an AMGA Certified Rock Guide. We offer everything from multi-day guided ascents to introduction to rock climbing.

[Mark Grundon @potreroguides]

Topping out the Capitan Triple Direct with John from Maryland coming back for vengeance after getting… https://t.co/YEijajXSy6

[Mark Grundon @potreroguides]

John jumaring up on Pitch 28 of the Triple Direct https://t.co/cNCfS246Jx

[Mark Grundon @potreroguides]

Hauling and hauling to Mammoth Terraces. A day of jugging and hauling is great type two fun! https://t.co/NDPWwyj6ip

[Mark Grundon @potreroguides]

Climbers on East Buttress of Middle Cathedral https://t.co/qi6EW0zRUE

[Mark Grundon @potreroguides]

Celso also en La Quinta!! https://t.co/2LpYN6Q6Ng

[Mark Grundon @potreroguides]

Ya te la sabanas!! https://t.co/hHdADZwC0g

[Mark Grundon @potreroguides]

Joel blending with the tufas on his new route https://t.co/oMpS0B25Ub

[Mark Grundon @potreroguides]

New route Tufas Pirata https://t.co/hjeYDySZA7

[Mark Grundon @potreroguides]

Getting into the undercling https://t.co/ns9x1VjtzA

[Mark Grundon @potreroguides]

Saul pulling down on the new route on the outrage https://t.co/IJ6T0wwqo1

[Mark Grundon @potreroguides]

New Route in the Virgincita steep cracky seam thing https://t.co/L53IjXK5Ye

[Mark Grundon @potreroguides]

Los Dinamos 1. https://t.co/Fee1KeOsvx

[Mark Grundon @potreroguides]

¿Where are the tufas? Snowing and gusts reported up to 94 km/h on Nevado de Toluca https://t.co/VUmocCKP4N

[Mark Grundon @potreroguides]

Surfing the Tufas in El Salto https://t.co/xgfBcTQTAF

[Mark Grundon @potreroguides]

Ferrying gear from Tecalote on a surfboard https://t.co/m8uDyOdU5O

[Mark Grundon @potreroguides]

Paddling around the Salto https://t.co/57Aos9mA65

[Mark Grundon @potreroguides]

Family day Huasteca https://t.co/x13HeYNvv4

[Mark Grundon @potreroguides]

Our upgraded website is up: http://t.co/GUxvUQj5tX

[Mark Grundon @potreroguides]

Isabella born this morning at 9:17 am

[Mark Grundon @potreroguides]

Checking out the hole in the wall #holeinthewall