Lost Lake Fishing Regulations

Kittitas County, Washington · 2026 size limits, bag limits, and seasons

Lost Lake is a lake in Kittitas County, Washington. It has its own fishing regulations for 1 species, including Rainbow Trout. These rules replace Washington's statewide limits on this water.

1 species with limits

Official Washington regulations ↗Washington statewide limits →Washington license costs →

Aerial map of Lost Lake, Kittitas County, Washington — 47.3346, -121.4026Directions ↗

Fish with special rules on Lost Lake

Tap a fish for identification tips, size records, and the best bait.

Rainbow Trout

14" min · 2/day

Lost Lake limits by species (2026)

Species	Size limit	Daily bag	Season
Rainbow Trout	14" min	2	Year-round

– means no limit is listed for this water. Rules not shown here follow Washington's statewide regulations.

Plan your Lost Lake trip

Washington fishing regulations →

Statewide size limits, bag limits, and seasons for every species.

Washington fishing license →

Costs for residents and non-residents, and where to buy.

All Washington waters →

Every Washington lake and river with its own fishing rules.

Lost Lake fishing: common questions

What fish have special regulations on Lost Lake?

1 species has rules specific to Lost Lake: Rainbow Trout.

What is the rainbow trout limit on Lost Lake?

Rainbow Trout must be at least 14" to keep on Lost Lake, and the daily bag limit is 2.

Do Washington statewide fishing rules apply on Lost Lake?

Where Lost Lake has its own rule for a species, that rule replaces the statewide limit. For species not listed on this page, Washington's statewide regulations apply. Regulations are set by the Washington Department of Fish and Wildlife; confirm with the official 2026 regulations before keeping a fish.

Other Washington waters with special regulations