Climbing

Outside

Beyond the telescope, I spend much of my free time in the vertical world — exploring and developing new routes across Southern Arizona. I've established over 50 routes, primarily in the Tucson Mountains and Santa Catalina Mountains, with a focus on long multi-pitch climbs on seldom-visited crags.

On Zodiac, El Capitan, 2025 · Photo: Eric Wesseling

First Ascents

Void of Form

Sport · 10 pitches · 1,000 ft · Pontatoc Ridge, Mt. Lemmon · FA: Kevin Wagner, Ryan Boyden, Allie Burnett, Peter Senchyna, Ann Marie Maly (2017)

5.9 / Grade III

Lachesis (Thread of Life)

Trad / Alpine · 4 pitches · Bushmaster Peak, Tucson Mountains

5.5

Todo o Nada

Trad · 7 pitches · Cat Mountain, Tucson Mountains

5.7 R

What's Golden

Sport · 3 pitches · Golden Wall, Colosseum, Mt. Lemmon

5.9

The Hideout (developed area)

16 routes, 5.4–5.12+ · Sport & Trad · Mt. Lemmon Mid-Mountain, 7,525 ft · Initial development 2018–2019

5.4–5.12+

The Bakery (developed area)

Sport & Trad · Tucson Mountains

Noteworthy Ascents

Zodiac

El Capitan, Yosemite Valley · 16 pitches · 1,800 ft

2025

Salathé Wall

El Capitan, Yosemite Valley · 35 pitches · 3,500 ft

2017

Tricks of the Trade

Zion National Park · 19 pitches · 1,800 ft

2017

The Nose

El Capitan, Yosemite Valley · 31 pitches · 3,000 ft

2016

Time Wave Zero

El Potrero Chico, Mexico · 23 pitches · 2,300 ft

2014

Desert Shield

Zion National Park · 9 pitches · 1,000 ft

2014

Moonlight Buttress

Zion National Park · 10 pitches · 1,200 ft

2014

Space Shot

Zion National Park · 8 pitches · 800 ft

2013