Let Tulchina Adventures gear your Lake Clark National Park Adventure. Lake Clark, Port Alsworth, AK is the hub of Lake Clark National Park. This pristine 45 mile long lake is the gateway to your Alaskan Wilderness Adventure. Whether you want to base camp in Port Alsworth, go on a multi-day kayak trek, spend a day fishing or just need water transportation services we have the gear you need. We offer multiple campgrounds along Lake Clark, kayak rentals, motorized boat rentals, water taxi services, camping gear rentals, and cultural tours. Let us help you plan your adventure!