





Holtwood Environmental Preserve is a vast natural sanctuary along the Susquehanna River.
Holtwood Environmental Preserve is a vast natural sanctuary along the Susquehanna River.
This expansive preserve, spanning over 5,000 acres across Lancaster and York counties, offers a remarkable blend of ecological diversity, historical intrigue, and thrilling outdoor recreation. It is distinguished by the nationally recognized Shenk's Ferry Wildflower Preserve, miles of scenic hiking trails, and significant historical sites, all set against the backdrop of the powerful Susquehanna River and the impressive Holtwood Dam.
Visitors can immerse themselves in diverse habitats, from the vibrant spring displays of Virginia bluebells, Dutchman's breeches, and various violets at Shenk's Ferry Wildflower Preserve, to observing nesting bald eagles and ospreys along the river. The preserve also boasts a 200-acre mesophytic old-growth forest, home to eastern hemlock, chestnut oak, and umbrella magnolia, alongside an abundance of pollinators like monarch, zebra swallowtail, and painted lady butterflies during the summer months. The extensive 39-mile trail system, including sections of the Conestoga Trail, invites exploration for hikers of all levels.
Whether you're an avid birder, a nature photographer, a history enthusiast, or simply seeking a tranquil escape, Holtwood Environmental Preserve delivers an unforgettable experience. Its unique combination of pristine natural beauty, rich cultural heritage, and varied recreational opportunities ensures a memorable visit for anyone exploring the heart of Pennsylvania's Susquehanna Riverlands. Enhance your adventure: download the Snappit app to identify the local species you encounter.
Buffs * Kayaking & Boating * Photography
Engage in hiking on the 39 miles of trails, including sections of the Conestoga Trail. Enjoy birdwatching, boating, fishing, picnicking, and sightseeing. Explore historical sites and natural beauty through photography. Kayaking is popular at Holtwood Whitewater Park.
Spring: Wildflowers in bloom, active bird migration, nesting birds of prey.
Summer: Abundant butterflies and insects, water activities on Lake Aldred.
Fall: Scenic autumn foliage provides excellent photography opportunities.
Winter: Generally a quieter time for hiking, with potential for different wildlife sightings.
While some parts of the preserve, particularly certain hiking trails like sections of the Conestoga Trail, can be strenuous with steep climbs, the Lancaster Conservancy actively works towards creating universal access (UA) trails at its preserves to accommodate visitors with diverse mobility needs. It's advisable to check the Lancaster Conservancy's website for specific details on universally accessible trails within or adjacent to Holtwood Environmental Preserve.
A renowned area for spring woodland wildflowers.
Features a restored lime kiln and interpretive areas related to the historic canal system.
Offers insights into the region's indigenous history.
Provides scenic views and opportunities for boating and fishing.
Each card links to a full Explore page with photos, traits, and fun facts.
Start with the big picture, then zoom in to explore individual wildlife observations around this place.
Visit Shenk's Ferry in Spring
** Plan your visit for early spring to witness the breathtaking display of wildflowers at Shenk's Ferry Wildflower Preserve.
Bring Binoculars for Birding
The preserve is excellent for birdwatching; binoculars will enhance your chances of spotting bald eagles, ospreys, and warblers.
Explore Historical Sites
Allocate time to visit the Lock 12 Historic Area and the Indian Steps Museum for a deeper understanding of the region's heritage.
Wear Appropriate Footwear
With 39 miles of trails, comfortable and sturdy hiking shoes are essential for exploring the varied terrain.
Pack a Picnic
Enjoy a meal amidst nature at one of the designated picnicking areas along Lake Aldred.
Check Whitewater Park Schedule
If you're an experienced kayaker, check for scheduled dam gate openings to enjoy the Holtwood Whitewater Park.
Apr 4, 2026
Photo attribution
(c) Joshua Huber, some rights reserved (CC BY-SA)
License: CC BY-SA 4.0 ↗
Image may be shown cropped inside the card frame.
Jun 1, 2026
May 31, 2026
May 31, 2026
May 31, 2026
Massachusetts, US
You might spot Virginia Bluebells and Great Golden Digger Wasp.
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Maryland, US
You might spot White-Tailed Deer and Japanese Knotweed.
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Illinois, US
You might spot White Mulberry, House Finch, and Scissor Grinder.
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Maryland, US
You might spot Great Blue Heron, Eastern Bluebird, and White-Tailed Deer.
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