Trip reports

random trip report
25-31 July 2025
Slovenia bike tour
17-24 July 2025
Ljubljana and Bled
29 June - 1 July 2025
Mount Lassen
28 May 2025
Angel Island
May 2025
Colorado
April 28-29 2025
Snow trip
3 Nov 2024
Diablo at 69
30 Aug - 1 Sept 2024
Return to Conness
2-8 June 2024
Roman Holiday
26 May - 1 June 2024
Geneva and BOINC
2-7 April 2024
Operation Desert Storm
28 Sept - 1 Oct 2023
Return to Sequoia
21-24 Sept 2023
Sleepless in Seattle
24-28 Aug 2023
Rainier Redux
22 July - 15 Aug 2023
Giro d'Italia
2-3 July 2023
Yosemite mini-trip
9-10 May 2023
Castle Peak Redux
12-16 Feb 2023
Anza-Borrego
29-30 Oct 2022
Diablo double-header
26-28 Sept 2022
Sierra Reprise
4-24 July 2022
Tour de France
20-23 June 2022
Trinity Alps
8 June 2022
Fiber on the Mountain
April 2022
Tahoe Jaunt
6-12 March 2022
Tennis Paradise
14-19 Oct 2021
Colorado Mini-Vacation
8-12 May 2021
Return to Utah
15 Nov 2020
Diablo Reference Hike
12-14 Aug 2020
Pilgrimage to Conness
18-20 Aug 2019
Yosemite Aug 2019
2-13 Aug 2019
Colorado 2019
23 May - 1 June 2019
China 2019
28 October 2018
Diablo Reference Hike 2018
24-26 August 2018
The Three Amigos Ride Again
29 June - 1 July 2018
Bear Creek Spire
18-23 Feb 2018
Adventures in Lava Land
17-20 Oct 2017
Owens River Gorge
3-10 Sept 2017
Paris: City of Lite

24-28 July 2017
The Full Nelson
April 9-16, 2016
SoCal Tryptich
June 1-7, 2016
Laramie and Estes Park
April 17-24, 2016
Utah National Park Tour
5-7 June 2015
Sierra Sampler
29-30 Dec 2014
Snow Trip 2014
7 Dec 2014
Mt. Baldy Redux
28 Nov 2014
Diablo reference hike
26 Sept - 6 Oct 2014
Hungarian Rhapsody
22-26 Aug 2014
Canadian Rockies
18-20 July 2014
Sierras with Noah
25 April 2014
Monterey
17 May 2014
Angel Island
2-5 Jan 2014
Snow trip with Noah
22 Dec 2013
Eagle Peak with Noah
10 Dec 2013
Mt. Baldy
31 Oct 2013
Big Sur
22 Sept - 2 Oct, 2013
Le Fest du Hacque
17-19 August 2013
Noah: The First Ascent
19-21 July 2013
Washington State of Mind
16-17 Sept 2012
Alta Peak with Rob

8-9 July 2012
Mt. Hoffman with Deb

17 June 2012
Mt. Tamalpais with Rob, starting from Cascade Rd. in Mill Valley, mostly on Fern Creek trail. Short but sweet.
10-11 June 2012
Yosemite with Noah

1 May - 8 May 2012
Work trip to Hannover; piano recital, short hike
31 Mar - 15 Apr 2012
Work trip to Beijing, and a hike

21 Dec 2011 - 4 Jan 2012
Work trip to Beijing - no pics

16 July 2011
A Meetup hike in Tilden. 9 miles, great route. Feel good.

9 July 2011
A Meetup hike in Desolation Wilderness near Lake Tahoe. Climb Ralston Peak, down to Lake Aloha, back via Horsetail Falls. 14 miles, 4,300' vertical, mostly off-trail and on snow. Excellent hike, but I get bad sciatic pain on the last part and it's a major struggle to finish. I'm bummed out.
30 April - 7 May 2011
Brazil
18-21 April 2011
Anchorage, Alaska
17 Mar - 1 Apr 2011
China
27 Feb 2011
Mt. Tam

5 Feb 2011
Kathi, Julie and I climbed Mt. Tellac on snowshoes. Excellent conditions.
27 Dec 2010
Signal Peak

1-4 July 2010
Mt. Shasta with Michelle Yu. Success

26-29 May 2010
Ron K. and I hike at Pinnacles (high peaks trail) and Yosemite valley (Death Slabs sample, Yosemite Point)

14 Mar 2010
Rubicon Peak (Tahoe) on snowshoes. Deep snow, but fantastic.
2 Jan 2010
Herlan Peak
October 17-27 2009
Euro 09

October 8-9 2009
Pinnacles National Monument

Aug 4-6 2009
Justin, Rob, Ryan, Kerstin and I camp at Mono Lake, climb Mt. Conness, soak in the hot springs at Bridgeport, then (on cold, windy, slightly snowy day) scramble around on the flanks of Mt. Hoffman.

July 13-14 2009
Yosemite Bug

June 19-21 2009
Shasta, one mo\' time
5 May 2009
Mt. Saleve, Geneva
14-24 Apr 2009
Taiwan and China

March 14 2009
Castle Peak reprise

Feb. 7, 2009
Michelle Yu and I climb Mt. Tamalpais starting from Stinson Beach: Dipsea trail, Steep Ravine trail, Railroad grade to summit and back to Pantoll Ranger station, then Matt Davis trail. Perfect day, great hike but too long.
Jan 5-8 2009
Hawaiian Odyssey

October 26, 2008
Birthday hike - Ryan, Rob V. and I climbed Mt. Diablo via the Back Creek trail. 2:45 up, 2:30 down. I tweaked my back and had sciatic pain.

Aug 27 - Sept 14 2008
European Tour

March 24-27 2008
Arnold: I'll Be Back

March 2, 2008
Michelle Yu and I climbed Mt. Diablo via the Back Creek trail. Camera battery was dead, so no pix. On the way down my back and knees hurt a lot; need to stretch and lift weights.
10-15 Dec. 2007
Going to Extremes

June 24, 2007
Rich and I rode mountain bikes up Mt. Diablo; 2 hours up, 30 min down.
June 5-10 2007
Norway: Oslo and Bergen

May 19, 2007
Justin, Aaron, Sarah and I went to Mt. Diablo and climbed Amazing Face (from a top belay; our rope wasn't long enough) and a gully around the corner. Beautiful day, fantastic climbing. Stopped at In n' Out Burger on the way home.

Nov 11-19 2006
We took a family trip to Miami. I drove to Tampa to attend the Supercomputing '06 conference, where I rendezvoused with Carl and Tolu. Mostly it was a yawn - we missed the Ribfest featuring Cheap Trick, and Carl/Tolu had to man their booth. The high point was a visit to the Salvador Dali Museum in St. Petersburg.
September 19-24 2006
Geneva and Mont Blanc
September 14, 2006
Spencer Butte
August 19, 2006
Alta Mountain

May 24 2006
Rob V. and I hiked on the Ohlone Wilderness trail from Lake Del Valle to Murrieta falls: roughly 12 miles round-trip with 4,000' vertical. Ouch! Knees, back, big toes all hurt like hell. I was using my hiking poles as crutches for the last 5 miles. My effing camera had dead batteries, so no pix.
May 12-20, 2006
Singapore Swing

April 24-26 2006
I went to Wisconsin to visit Bruce Allen in Milwaukee and give a talk at Condor Week in Madison. I toured all my old haunts, including the Shell, Memorial Union, the Lake Mendota running path, etc. I visited Howard Whitlock in the Chem Dept. and Chuck Dyer in CS.

Jan 22 2006
Solo hike up Mt. Diablo on the Back Creek trail. Brisk pace: trailhead 11 AM, summit 1:30, return 3:35. Cool, extremely clear day. P51s buzz summit. Sore toes, a little back/knee pain. General soreness next day.

Dec 10, 2005
Ryan, Rob and I go for a medium hike in Las Trampas park.
October 16, 2005
The Organ Mountains

Sept. 16, 2005
My stepfather Larry and I attempt the South Sister in Oregon. We turn around 2/3 of the way up because of unseasonable weather (cold, snow, fog).
August 18-24 2005
Jens and family visit
July 4-28, 2005
Ich bin ein Berliner
June 30, 2005
The Ledge Trail

Feb 3-5 2005
I travelled to Seattle and visited Dave Gedye. We did a short but exciting snowshoe climb near Snoqualmie pass, past Source Lake, to a ridge overlooking Snow Lake.
January 4-6 2005
Death Valley

December 2004
Short trips to Sunriver and Miami Beach to visit relatives.

Nov 7-9, 2004
Supercomputing 2004

Oct. 22-24, 2004
A trip to the heartland
Oct. 2, 2004
Climbing for Kerry
Sept. 15-17, 2004
Car Trouble in the High Sierra

Sept. 11, 2004
Todd and I go to Boy Scout Rock at Mt. Diablo and do Amazing Face (10A); Bolt Ladder (underrated 10C), and Ozone (11A).
April 24-25, 2004
Strangers in Paradise
March 27, 2004
Pyramid Peak Revisited
March 3-15, 2004
Australia, mate

Feb 17-26, 2004
DC and CERN
Feb 14, 2004
Mission Peak
Feb 7, 2004
Mt Diablo with Aaron
Jan 24-25 2004
Castle Peak on snowshoes

Nov 15-23, 2003
Trip to Madrid to attend Cicle Redes y Saberes Compartidos at the Residencia de Estudiantes
Sept 15-18, 2003
Tuolumne hike-o-rama

Oct 1, 2003
Erica, Roberta and I drove to Lake Tahoe, hiked from Emerald Bay past Eagle Lake and towards Velma Lake; at the crest before the descent to Velma Lake, I bushwacked up to the ridge to the left.

August 23, 2003
Todd, Rob and I climbed Mt. Diablo via Mitchell canyon and Juniper trail, down by Bald Ridge and Back Creek trail. The pace was blistering.
August 22, 2003
Return to Castle Rock
August 2-3 2003
Mt. Hoffman
July 25-27 2003
Bad break on Conness

July 16-21, 2003
New York, New York
July 7-9, 2003
Taking the Leap
June 22-24, 2003
Shasta Revisited
June 8-13, 2003
Defense de Paris
May 29, 2003
As falls Yosemite...
Mar. 28-30 2003
Quick trip to Tahoe
Mar. 7-9 2003
Randonee Adventure

Feb. 2003
Montara Peak

Dec. 25, 2002
Christmas at Yosemite
Dec. 12, 2002
Day trip to the valley
Nov. 23-26, 2002
Blown away in Joshua Tree
Oct. 10-11, 2002
Cathedral Peak and Yosemite
Sept. 2-17, 2002
Greece is the word
August 16-18, 2002
The North Ridge of Mt. Conness
July 18-21, 2002
The Grand Teton
June 24-26, 2002
Return to Shasta

June 16, 2002
Todd Stuart, Davin Potts and I climbed Eagle Peak (near Mt. Diablo). Beautiful day, amazingly excellent, saw the Sierras.

April 27 - May 5, 2002
A work-related trip to England.
April 4-7, 2002
Pyramid Peak and Mount Tallac (in the snow)

Feb. 24, 2002
Rich Kraft and I climbed Mt. Diablo. I am extremely sore. 'Nuff said.
Dec. 17-21, 2001
Desert mini-vacation
August 10-12, 2001
Tuolomne with Berg and Rich
July 13, 2001
Diablo II

July 7, 2001
Mt. Diablo
June 25, 2001
Lion's Head Revisited
June 3-5, 2001
Disasta on Shasta
May 25-27, 2001
Return to Conness
Feb 16-20, 2001
Sunriver Snowshoe Madness
Dec 28-29, 2000
Sierra Snowshoe Adventure
Nov. 2000
Thanksgiving 2000
Sept. 1-3, 2000
Mammoth Peak
August 19-21, 2000<
The Dana Couloir

Dec 25-28 1999
Christmas at the Dacha (Sunriver, Oregon). Skiing at Mt. Bachelor.
Nov 27-28 1999
Seattle and Mt. Si
Nov. 3-6, 1999
Ascent of Mount Whitney
Oct. 16-17, 1999
Motel Camping at Mt. Lassen
Oct. 10, 1999
Ascent of Mt. Dana

Oct. 7, 1999
Bike ride up Mt. Diablo More area is visible from Mt. Diablo than from any other point on Earth.
Sept 29, 1999
Tales of (Mount) Hoffman

June 2-5 1999
NYC
April 17 - May 2 1999
South Africa and the Otter Trail

Dec. 6 1998
I wish I could have flown to NYC to see a concert of music by Kaikhosru Shapurji Sorabji, organized by the composer Christopher Berg. Check out these reviews by Frederick L. Kirshnit and David A. Weinberg.

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