Lewis Lake https://www.wta.org/go-hiking/hikes/lewis-lake https://www.wta.org/@@site-logo/wta-logo.png Lewis Lake North Cascades > North Cascades Highway - Hwy 20 Length 7.0 miles, roundtrip Elevation Gain 1,800 feet Highest Point 6,000 feet Calculated Difficulty About Calculated Difficulty Moderate/Hard Dogs allowed on leash Established campsites Lakes Mountain views Summits Wildflowers/Meadows Parking Pass/Entry FeeNorthwest Forest Pass Add Hike to My Backpack Saved to My Backpack Continue reading Rating 3.88 out of 5 (8 votes) Log in to rate 80 trip reports for this trail Write a trip report Hiking Lewis Lake WTA worked here in 2013! Lewis Lake Map & Directions Before You Go Parking Pass/Entry FeeNorthwest Forest Pass WTA Pro Tip: Save a copy of our directions before you leave! App-based driving directions aren't always accurate and data connections may be unreliable as you drive to the trailhead. More Hike Details Trailhead North Cascades > North Cascades Highway - Hwy 20 Lewis Lake (#731) News Hiker Headlines: Highway 20 closed this weekend, Summit at Snoqualmie parking fees November 13, 2025 Learn How to Hike in Bear Country You can improve or add to this guidebook entry! Update page