Three Counties Hike

April 21: Three Counties Hike (camping optional)*

Leader: Cathy Koehler
Rating: Strenuous, 5 miles, 1-2k ft elevation gain

Hike through the remote upper corner of the McLaughlin Reserve where Napa County meets Yolo and Lake Counties. We’ll cross Reserve and Bureau of Land Management lands for unique observations of interesting geologic formations, late spring wildflowers and plants such as the primitive conifer California nutmeg.

*April 20: Optional Overnight Campout at McLaughlin
Two hikes for one! This package includes April 20 & 21 hikes with overnight camping and a group potluck at the McLaughlin Reserve. Please sign up for each hike individually, then email Cathy Koehler ( to make reservations and get details on reserve access, campsites, nominal overnight use fee, cooking facilities, etc. Overnight option is open to participants of one or both hikes.


Field Trip registration closes three (3) days prior to the event date.

Please note that minors will need to be accompanied by an adult, and will need to provide a signed minor waiver to participate.

Registration for this event is now closed.