http://fishandboat.com/fact_fast_trout.htm

Opening Day: Saturday, April 17 (how this date is determined)

Regional Opening Day: Saturday, April 3 Regional Opening Day counties: All waters in Adams, Berks, Bucks, Chester, Cumberland, Dauphin, Delaware, Franklin, Juniata, Lancaster, Lebanon, Lehigh, Montgomery, Northampton, Perry, Philadelphia, Schuylkill and York counties. Streams on county borders that are part of Regional Opening Day: Mahantango Creek, between Northumberland and Dauphin counties. This is the ONLY stream in Northumberland County opening on the earlier date.West Branch Mahantango Creek, between Snyder and Juniata counties. This is the ONLY stream in Snyder County opening on the earlier date.Two streams in Carbon County -- Lizard Creek and Mahoning Creek.
Time: 8 a.m. Minimum Size: Seven (7) inches Fishing Hours: 24 hours a day, after the 8 a.m. opener Creel limits

Regular season (opening day thru Labor Day) -- 5 (combined species)
Extended season (Jan. 1-Feb. 28) & (day after Labor Day-Dec. 31) -- 3 (combined species) Creel limits apply to the majority of trout fishing waters (inland waters). Other rules apply for Special Regulation Areas. Anglers should consult the Summary of PA Fishing Laws and Regulations, distributed free with their licenses, for more details.

Fishing Licenses: In addition to a fishing license, trout anglers 16 and older must posses a Trout/Salmon Stamp (or Combination Trout-Salmon Stamp/Lake Erie Permit) to fish for trout.A Lake Erie Permit (or Combination Trout-Salmon Stamp/Lake Erie Permit) is also needed to fish for trout, salmon and steelhead in Lake Erie and its tributaries.Licenses, stamps and permits must be signed in ink and displayed on an outer garment. Anglers must also be able to provide positive proof of identification (other than the fishing license) upon request of a Waterways Conservation Officer.License Fees: 2010 licenses, stamps and permits are valid December 1, 2009 through December 31, 2010 (except 1, 3 and 7-day licenses) and are available at issuing agents statewide and online through the The Outdoor Shop.