Lake Clark National Preserve
Managed by National Park Service
13,761 acres9.6 mi of trail
Tanalian MountainTanalian FallsVisitor's Center - Tanalian FallsKontrashibuna Lake trail+1
Dogs usually limited
No trailhead mapped yetWebsite ↗
Dr. Elmer Bly House · Photo: John Branson, Historian for Lake Clark NPP · Public domain–Not graded
Outdoors in Port Alsworth
More than half of Port Alsworth’s land is conserved: 76%
76% of Port Alsworth’s land is conserved, about 10,947 acres. The biggest trail networks: Lake Clark National Preserve (9.6 mi). 9.8 miles of mapped trail cross Port Alsworth, 0.4 per square mile of land.
Conserved land
76%
10,947 acres · of 22.6 sq mi of land
Trails
9.8 mi
0.4 per sq mi of land
Near a park
under 1%
of residents within ½ mile
Lakes & rivers
2
11 beaches · 1 boat launch
The map
Conserved land, trails & bike routes
Tap a number to zoom to a park. Tap a layer to hide it.
Easements protect land from building but are usually private.© OpenStreetMap contributors · USGS PAD-US
Places to walk
Pick a walk
The longest trail network is Lake Clark National Preserve, with 9.6 miles. Directions go to the nearest trailhead or public parking.
Jay S. Hammond Wilderness
Managed by National Park Service
632 acres0.2 mi of trail
Kontrashibuna Lake trail
Dogs usually limited
No trailhead mapped yet
Lake Clark National Park
Managed by National Park Service
632 acres
Dogs usually limited
No trailhead mapped yetWebsite ↗
Who protects it
10,947 conserved acres
76% of Port Alsworth’s land. Who manages Port Alsworth’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
National Park Service10,947 ac
Conservation Area · 10,316 acNational Park · 632 ac
The biggest protected parcels
| Parcel (PAD-US) | Managed by | Acres | Public access |
|---|---|---|---|
| Lake Clark National Preserve Conservation Area | National Park Service | 10,316 | Open |
| Lake Clark National Park National Park | National Park Service | 632 | Open |
Things to do
14 places to go in Port Alsworth
Beaches, playgrounds, peaks, falls and more. Pick a kind.
Beaches in Port Alsworth
11 beaches without a name on the map. Tap “Show all on map” to see them.
Playgrounds in Port Alsworth
1 playground without a name on the map. Tap “Show all on map” to see it.
Boat launches in Port Alsworth
1 boat launch without a name on the map.
Waterfalls in Port Alsworth
Tanalian FallsIn Lake Clark National Preserve
DirectionsTrails & water
5 named trails and 2 lakes & rivers
Named trails
Unpaved · 2.2 mi
Tanalian Mountain4.0 mi
Tanalian Falls2.1 mi
Visitor's Center - Tanalian Falls1.0 mi
Kontrashibuna Lake trail0.9 mi
Connector trail0.1 mi
Lakes & rivers tap for directions
History along the way
History →3 places on the National Register
The country’s official list of places worth saving (National Park Service).
When to get out
The best walking months in Port Alsworth: June to August
NOAA’s 1991–2020 normals for the town and the daylight at its latitude. Outlined months have long days, highs of 59 to 86 °F and little rain for the place.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 6.6 | 9.0 | 11.6 | 14.5 | 17.1 | 18.9 | 18.1 | 15.6 | 12.7 | 9.9 | 7.3 | 5.9 |
| High (°F) | 24 | 30 | 35 | 47 | 59 | 67 | 69 | 66 | 57 | 44 | 32 | 27 |
| Rain (in) | 0.7 | 0.9 | 0.6 | 0.5 | 0.4 | 0.7 | 1.4 | 1.7 | 2.6 | 1.3 | 1.3 | 1.0 |
May is the driest month (0.4 in) and July the warmest (highs of 69 °F). 2.6 inches fall in September, the wettest month. The climate in Port Alsworth →
Questions about parks and trails in Port Alsworth
Where can I hike in Port Alsworth?
The longest trail networks: Lake Clark National Preserve, 9.6 miles; Jay S. Hammond Wilderness, 0.2 miles. Each one is on the map above, with directions to the nearest trailhead or parking.
Are dogs allowed on Port Alsworth’s trails?
Lake Clark National Preserve and Jay S. Hammond Wilderness don’t have dog rules recorded on the map; check the signs at the trailhead.
Is there public land near Port Alsworth?
161,487 acres of parks and open public land lie inside Port Alsworth or within 10 miles of it (PAD-US), 10,421 of them inside the town line.
Trail talk
Conditions, parking and favorite walks from Port Alsworth neighbors.
Share a tip
Sources
Where this page comes from
Conserved and public land: USGS Protected Areas Database of the United States (PAD-US), service updated July 2026. Parks, trails, playgrounds, beaches and other places: OpenStreetMap (© OpenStreetMap contributors, ODbL), map data as of 2026-10-28. Land and water area: Census 2025 Gazetteer. Residents near a park: 2020 Census blocks. National Register: National Park Service. How TownRatings grades the outdoors →