
Welcome to Camp Trefoil!
Camp Trefoil is located on the edge of the Adirondacks in Harrisville, N.Y. We offer GSNYPENN’s only high and low ropes course and water trampoline! This intimate, outdoorsy setting provides campers with adventure, new friends and lasting memories.


Let's make this summer adventureful! Click the session date below and secure your week at Camp Trefoil!
June 25-26
Mom & Me
All Grades
$55 Per PersonJune 26
Open House
5-7 p.m.
All Grades
FreeJuly 3-8
Moonlight Mayhem
Grades 2-12
$500/$550/$600 Per GirlJuly 3-8
Leader in Training
Grades 9-12
$500/$550/$600 Per GirlJuly 10-15
Camp Pros
Grades 6-12
$500/$550/$600 Per GirlJuly 17-22
Leader in Training
Grades 9-12
$500/$550/$600 Per GirlJuly 17-22
Wild and Wacky
Grades 4-12
$500/$550/$600 Per GirlJuly 24-26
Mini Session
Grades K-5
$250 Per GirlJuly 24-26
Cadette Program Aide
Grades 6-8
$250 Per GirlAugust 1-5
Fire Tower Fun Trip
Grades 6-12
$400 Per GirlAugust 14-19
Paddler’s Paradise Trip
Grades 6-12
$475 Per GirlJuly 29-31
Troop Core
All Grades
$65 Per Girl
