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I am a Gridiot, the self-deprecating term used in the White Mountains to describe the crazy people who’ve completed the White Mountain 4000-Footer Grid. I’m the 179th person to finish, which is pretty incredible considering the effort involved in completing this peak list, finishing on May 20, 2024, with a solo hike to Mt Isolation.
Completing The Grid (see my spreadsheet below) requires hiking 12 rounds of the 48 White Mountain 4000-footers once in each calendar month of the year (48 x 12). This involves hiking about 3000 miles with 1,000,000 feet of elevation gain, including close to 6 months in winter conditions with snowshoes and other traction aids.

While I am proud that I finished this list, it would have been impossible without the companionship of my friends and the other Aspiring and Current White Mountain Gridders who provided me with an endless stream of inspiration, encouragement, and advice that made hiking this challenging peak list lots of fun. I’d done a lot of solo hiking, backpacking, and bushwhacking in the Whites before committing to finishing the Grid, so regularly peakbagging with companions, a few days each week, was a new thing for me – one that became more meaningful than climbing the actual summits. While hiking in the White Mountains is world-class, the Grid is special because of the community of hikers who help each other to finish it.

I owe special thanks to John Sobetzer and Pepper (who’s no longer with us), who convinced me to hike the Grid one day when we ran into each other a few years ago while climbing Mt Cabot. I had recently filled out the Grid spreadsheet to see where I was and found I had already completed 265 summits out of the 576 required. I’d been on the fence until then, but John, who’s completed a Grid himself, tipped me over the edge.
While I hiked with many people during the next 310 summits, I had a few friends who were regular companions, including Ken and Karen Robichaud, Lynn Kessler, Barbara Crane, Tom Ickes, and Hilde Getsch. We had a lot of great hikes and even some backpacking trips together, and while my memory of those treks will fade, I’ll always remember the camaraderie and friendship we shared hiking The Grid.






What’s next? I’m headed to Vermont to hike and backpack a Long Trail side-by-side, which is a trail list of all the trails that intersect with The Long Trail, which I hiked in 2008. I also plan to venture into the Adirondacks to sample the ADK 46ers, perhaps hiking them all one day.

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Congratulations Philip! that is an astounding, yet questionable achievement!
Well done. Massive congratulations and great achievement.
I remember reading Chris Townsends account of hiking all the Munroes many years ago. When I was in Scotland a few weeks ago I was thinking about what a monumental achievement that was myself!
I LOVE Chris Townsend’s books. I actually re-read them from time to time when I need a nature fix and I’m stuck at home because of reasons. Congratulations on your grid finish, you gridiot!!!!
Congratulations to you Philip! Quite a feat. One of the reasons I love this area is that you can finish something as monumental as that and STILL say “yeah, I’ve got other things around here to do!”.
Congrats! So far to go still…
Congratulations!!! Ever onward!!!
Congratulations!
Very impressive! Congratulations, Philip!! Absolutely loved this summary, congrats to your hiking partners as well.
Well done!
Congratulations. An almighty accomplishment.
I’ll buy the books you write someday. Several copies each to mail friends. Cease slacking off you slacker. LOL. Now get busy, and know good folks envy your place in this world in a good way. You have done very very well.
Congrats! I have always wondered the answer to the question of “so now what?” for those who have finished. Highly recommend you explore the ADKs a bit. Stunningly beautiful and far more remote than the Whites. I am working on the NE115 + the Catskill 3500 list for 150 total summits.
I sense a Tenkara increase in your future.
any second now!
Congratulations! That must have put more than 3,000 miles on your vehicle.
Luckily, I’ve lived in the middle of the Whites for the past few years. But even then, the miles add up, especially in winter when all the shortcuts are closed!
Congratulations! This is such an awesome achievement. You must already be some ways into your second grid!
Nope – I’m kind of burned out on WM 4ks. Have to hike something else for a while.
Congratulations on your achievement.
“Ich bin ein Gridiot” – I wonder why you wrote that in German?
Greetings from ([Swiss-]German-speaking part of) Switzerland
Look up “Ich bin ein berliner.”
Congrats Phil, great achievement. I recently accompanied a close hiking friend on his grid completion hike, a wealth of stories on the way up and down on various adventures (and mishaps) on the way to 576. Good luck on your next major challenge!
Congrats on completing such a challenging endeavor !
Mighty fine, Phil achievement. I would rather that you not hike sole again. Not at this age, and time. Nature can be ungiving.
Not to worry. I’m still cautious.