Type: Volunteer

Tree planting in Boalsburg

One of the best actions you can do to improve the health of the Bay is to plant trees. Come help us plant 500+ trees in Boalsburg, PA to help our watershed!

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Treelay Site: Lancaster, PA (2nd Shift)

Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 600 trees at this Pennsylvania site!

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Treelay Site: Lancaster, PA (1st Shift)

Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 600 trees at this Pennsylvania site!

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Volunteer opportunity.

Treelay Site: Sevens Valley, PA

Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 200 trees at this Pennsylvania site!

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Treelay Site: Dorwart Park, Lancaster, PA

Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 385 trees at this Pennsylvania site!

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Treelay Site: Millersville, PA

Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 100 trees and 700 live stakes at this Pennsylvania site!

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2026 Treelay – Save the Date

Help make a splash towards clean water and healthy communities by planting trees with the Alliance during Treelay!

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Tree planting in Columbia

One of the best actions you can do to improve the health of the Bay is to plant trees. Come help us plant 12 large trees in Columbia, PA to help our watershed!

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Volunteer opportunity.

Tree planting in Oxford

One of the best actions you can do to improve the health of the Bay is to plant trees. Come help us plant 175 trees in Oxford, PA to help our watershed!

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Volunteer opportunity.

Tree planting in Elizabethtown

One of the best actions you can do to improve the health of the Bay is to plant trees. Come help us plant 200 trees in Elizabethtown, PA to help our watershed!

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