leonardo's note book on tree branching

Leonardo’s Rule and the Geometry of Nature

fossilized ammonite shell

May 29, 2021July 7, 2021

What is the Golden Spiral? To answer that, let’s draw one.

scanned mesquite beans

August 15, 2020May 11, 2021

The unbearable lightness of beans

June 17, 2020May 11, 2021

Summer sketchings

May 18, 2020May 19, 2020

View from Tumamoc: by Bill Hartmann

Visualizing Tumamoc Hill in a 3D map form.

April 24, 2020April 24, 2020

Visualizing Tumamoc (Part 2)

A Pinacate beetle or stinkbug prepares to defend itself on the Tumamoc Road.

April 17, 2020April 18, 2020

All’s Quiet on the Mountain

Tucson Catalinas storm from Tumamoc Hill by Nick Georgiou

April 12, 2020April 12, 2020

Tumamoc on our mind

Student's field sketch from Saguaro class

April 2, 2020April 2, 2020

Saguaros: Portraits of Giants.

3D map sketch of Tumamoc Hill in Tucson Arizona

March 30, 2020March 31, 2020

Visualizing Tumamoc (Part 1)

March 27, 2020March 27, 2020

March musings in Tumamoc’s shadow

March 3, 2020March 27, 2020

Brittlebush ascending

Student in the Tumamoc Art & Science OCurse draws a live desert tortoise

February 19, 2020March 30, 2020

The Spring Tumamoc Art & Science Course

gila monster sketch by Barbara Terkanian

March 3, 2019March 4, 2019

The New Tumamoc Art & Science Course

trout_meriwether lewis explorer notebook

May 11, 2018August 29, 2019

Field Notebooks

pencil sketch for a Sonoran Desert Panorama, by Paul Mirocha

March 28, 2018March 31, 2018

The Tumamoc Art & Science Course

March 3, 2018August 29, 2019

Scientists who draw: part I

December 23, 2017

10,000 Years of Field Notes

iphone screen with tumamoc icon

September 27, 2017October 25, 2017

The Tumamoc Tour mobile phone app

Sonoran Plant Garden #1, by Paul Mirocha

September 9, 2017

Sideways glances and hidden entanglements

June 29, 2017June 29, 2017

Bambi sighted on Tumamoc Hill

November 25, 2016August 29, 2019

A Serial Painter at Large

fallen saguaro sgp5 on Tuammoc Hill, photo by Paul Mirocha

November 1, 2016August 31, 2017

R.I.P. SGP5

Leo's saguaro

October 28, 2016October 28, 2016

Tumamoc Sketchbook has a new design

Bill Singleton painting on Tumamoc Hill, Photo by Paul Mirocha

May 31, 2016August 29, 2019

Operation Desert Storm

April 9, 2016August 29, 2019

Barbara’s Tiny Notebook

March 3, 2016August 29, 2019

Sonoran Desert: The Poem

Journal of the Southwest cover

January 20, 2016August 29, 2019

Tumamoc Hill in Journal of the Southwest

December 25, 2015July 7, 2019

Invisible Birds

December 22, 2015August 29, 2019

Happy Saguaro Drawing

October 20, 2015August 29, 2019

On Randomness

September 20, 2015August 29, 2019

What the Ancestors Ate

August 17, 2015August 29, 2019

Tumamoc Road Signs

July 15, 2015August 15, 2015

Mondays on the Mountain

Desert Botanical Lab on Tumamoc Hill 1911

June 17, 2015October 24, 2016

Post Cards from the Lab

April 22, 2015June 17, 2015

A Room with a View

February 15, 2015August 29, 2019

Tumamoc Artists Open at Tohono Chul Gallery

marlon evans portrait

February 7, 2015February 11, 2015

Marlon Evans: O’odham Poet On Tumamoc Hill

Scorpion Evuiae, photogram by Chip Hegecock

January 28, 2015February 11, 2015

Tumamoc at Tohono Chul

January 7, 2015January 8, 2015

Please Protect Tumamoc

December 11, 2014December 16, 2014

The Mother of Tumamoc

November 1, 2014December 1, 2014

Mondays on the Mountain 1

October 24, 2014August 29, 2019

I Stand with Saguaros

Harris' Antelope squirrel, illustration by Paul Mirocha

September 9, 2014

Signs of Things to Come

Como Park lawns. photo by Paul Mirocha

August 7, 2014December 16, 2014

Vacation in Tlalocan

maY snake procession

June 6, 2014August 29, 2019

It Happened This Way

May 10, 2014May 10, 2014

A Tumamoc Book Event at Antigone Books

Saguaro watercolor by barbara terkanian

Sonoran Arts Network Reviews Tumamoc Book

April 14, 2014April 23, 2014

Who’s That Woman on the Water Tower?

April 1, 2014July 7, 2021

March Mondays

Bill Singleton and watercolor sketch

March 13, 2014July 7, 2021

UA News: TPoE, POG, & TFoB

February 20, 2014December 6, 2019

This Piece of Earth

this is not a picture

February 17, 2014February 17, 2014

Talk About Tumamoc, Please

February 1, 2014February 1, 2014

Tuesday Afternoon

Cassien painting in desert Lab garden by Bill Singleton

January 23, 2014

Tuesdays on Tumamoc

meredith saguaro pastel

December 23, 2013December 26, 2013

Our Favorite Saguaro

December 16, 2013December 21, 2013

Painting Out on Tumamoc #2

November 21, 2013December 17, 2013

Painting Out on Tumamoc

Saguaro Landscape, watercolor by Barbara Terkanian

November 7, 2013December 6, 2019

This Piece of Earth

September 18, 2013September 20, 2013

Saguaro Arms

August 16, 2013

Edible Baja Arizona

Saguaro flower stages, pastel by Meredith Milstead.

July 31, 2013August 16, 2013

Meredith Milstead

July 19, 2013July 19, 2013

Gila Monsters Walk the Hill

UA Downtown window exhibit

Dreaming Down the Rain: The Movie

July 5, 2013July 5, 2013

Dreaming Down the Rain: 2

Dreaming Down the Rain

May 27, 2013June 3, 2013

Dead Plants: Take 2

scanned winter annual plants from Tumamoc

April 24, 2013May 26, 2013

Knee Flowers

Gila Monster

April 20, 2013April 20, 2013

Gila Monster!

April 11, 2013April 15, 2013

Curating the Cosmos

Prickly Pear cactus by Barbara Terkanian

March 15, 2013March 15, 2013

Festival of Books

Plot 8_ Meredith Milstead

March 6, 2013March 13, 2013

Sunday Afternoon

February 22, 2013March 8, 2013

Exploring Unknown Tumamoc

February 21, 2013February 24, 2013

Chasing Rainbows

January 30, 2013January 31, 2013

Rainbows

January 27, 2013February 3, 2013

Enchanted by the Sun

freeze burn ? Paul Mirocha

January 21, 2013March 8, 2013

Freeze Burn

January 12, 2013January 13, 2013

Contemplative Biology

Nail used to mark boundary of plot 9

December 15, 2012December 19, 2012

Number Nine

November 23, 2012

POG Talk: Part 2

Title slide: Tumamoc: Taking a place apart and putting it back together

November 12, 2012March 19, 2013

POG Talk: Part1

October 18, 2012December 3, 2016

Proximities

October 13, 2012

Poets Take Action

Clouds building over the Catalina Mountains, viewed from Tumamoc. Notice the green tint of the mountains.

October 7, 2012

Tlaloc’s Law: Part 2

September 30, 2012September 30, 2012

Tlaloc’s Law: Part 1

August 10, 2012August 13, 2012

Monsoons over Downtown

July 30, 2012July 31, 2012

Rainmaker

gigapan image of downtown Tucson from Tumamoc Hill

The Largest Photograph

Saguaro Landscape, watercolor by Barbara Terkanian

July 14, 2012July 19, 2012

Clouds, a Poem, a Dead Saguaro, and a Painting

Solstice calendar stone, Tumamoc hill

July 9, 2012January 16, 2014

Tumamoc’s Sun Arrow

monsoon rain over downtown Tucson from Tumamoc Hill

July 4, 2012July 10, 2012

The Last Photograph

Meredith Milstead's rattler drawing

June 23, 2012June 26, 2012

We Find a Snake

Tumamoc Hill from A-mountain after a rain storm

June 19, 2012June 19, 2012

First Monsoon

Unfinished Gila monster sketch by Paul Mirocha

June 12, 2012August 1, 2012

A pencil: the best of eyes

snapshot from Gigapan of downtown Tucson from Tumamoc summit

More Gigapans

blacktail rattlesnake, sun with transit of venus

Unrelated Things

Saguaro fruit by Meridith Milstead, pastel

On Location

Tumamoc’s First Gigapan

Plein air watercolor painting by Barb Terkanian

Saturday watercolor

May 22, 2012May 27, 2012

Solar Eclipse