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Trip planner
Punta Loma / Puerto Madryn cliffs (Patagonia, Argentina)
Best windows in the next two weeks, plus a packing list calibrated for cliff beach hunting.
Top 5 windows · next 14 days
1
Monday, June 8
Cliff site — continuous erosion baseline · heavy rain (1.1") — fresh cliff slumps likely
60
Good
2
Tuesday, June 9
Cliff site — continuous erosion baseline · heavy rain (1.2") — fresh cliff slumps likely
60
Good
3
Monday, June 1
Cliff site — continuous erosion baseline · recent rain (0.4") — clay saturated · spring tide
54
Fair
4
Tuesday, June 2
Cliff site — continuous erosion baseline · recent rain (0.5") — clay saturated
54
Fair
5
Wednesday, June 3
Cliff site — continuous erosion baseline · recent rain (0.3") — clay saturated
54
Fair
Packing checklist
Essentials
- ☐Water (more than you think)
- ☐Hat + polarized sunglasses
- ☐Reef-safe sunscreen
- ☐Phone with offline copy of this dossier
- ☐Snack / electrolytes
- ☐Trash bag — leave it cleaner than you found it
Creek tools
- ☐Sifter + folding shovel
- ☐Wading shoes
- ☐Fanny pack or hip pouch for finds
- ☐Small magnet for testing iron-rich matrix
Find care
- ☐Soft toothbrush
- ☐Padded box for any 2″+ tooth
- ☐Cotton or tissue layers between teeth
- ☐Notebook (or open the Toothhound logbook)
Trip planning
- ☐Permit for the preserve (some are required)
- ☐Recent weather check — high creek = no go
Tactic refresher
Join a guided paleo-walking tour from Puerto Madryn — guides know the productive cliff bases at Punta Loma and Cerro Avanzado. Surface collecting is regulated; significant finds must be reported.
Don't forget
Argentina protects vertebrate fossils as scientific patrimony. Significant finds must be reported to the local museum (Museo Paleontológico Egidio Feruglio in Trelew). Use a licensed guide.